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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/173944">173944</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2014-09-24 20:50:40 -0700 (Wed, 24 Sep 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes
https://bugs.webkit.org/show_bug.cgi?id=137056

Reviewed by Benjamin Poulain.

Source/WebCore:

Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes, not
just Elements by:
- Moving the is&lt;&gt;() / downcast&lt;&gt;() declarations from Element.h to
  Node.h
- Introducing a SPECIALIZE_TYPE_TRAITS_*() macro that generates the
  needed template specializations for is&lt;&gt;() / downcast&lt;&gt;() to work.
  This macro will replace NODE_TYPE_CASTS() entirely once the code base
  is fully ported.

This patch makes use of SPECIALIZE_TYPE_TRAITS_*() macro for
HTMLFormControlElement, that is an HTMLElement for which the template
specializations cannot be automatically generated because it requires
special handling.

This patch also makes use of SPECIALIZE_TYPE_TRAITS_*() macro for
DocumentFragment to show that it can be used for non-Element Nodes.

No new tests, no behavior change.

* accessibility/AccessibilityNodeObject.cpp:
(WebCore::AccessibilityNodeObject::isReadOnly):
(WebCore::AccessibilityNodeObject::isRequired):
(WebCore::AccessibilityNodeObject::isControl):
* css/SelectorCheckerTestFunctions.h:
(WebCore::isAutofilled):
(WebCore::isDisabled):
(WebCore::isEnabled):
* css/StyleResolver.cpp:
(WebCore::StyleResolver::canShareStyleWithElement):
(WebCore::StyleResolver::adjustRenderStyle):
* dom/Document.cpp:
(WebCore::Document::importNode):
(WebCore::Document::setFocusedElement):
* dom/DocumentFragment.h:
(WebCore::isDocumentFragment):
* dom/Element.cpp:
(WebCore::Element::focus):
* dom/Element.h:
(WebCore::is): Deleted.
(WebCore::downcast): Deleted.
* dom/Node.h:
(WebCore::is):
(WebCore::downcast):
* dom/make_names.pl:
(printTypeHelpers):
* editing/FrameSelection.cpp:
(WebCore::scanForForm):
* editing/TextIterator.cpp:
(WebCore::isRendererReplacedElement):
* html/FormAssociatedElement.h:
* html/HTMLElement.h:
* html/HTMLFieldSetElement.cpp:
(WebCore::updateFromControlElementsAncestorDisabledStateUnder):
(WebCore::HTMLFieldSetElement::refreshElementsIfNeeded):
* html/HTMLFormControlElement.cpp:
(WebCore::HTMLFormControlElement::enclosingFormControlElement):
* html/HTMLFormControlElement.h:
(WebCore::isHTMLFormControlElement):
* html/HTMLFormElement.cpp:
(WebCore::HTMLFormElement::submitImplicitly):
(WebCore::submitElementFromEvent):
(WebCore::HTMLFormElement::validateInteractively):
(WebCore::HTMLFormElement::submit):
(WebCore::HTMLFormElement::reset):
(WebCore::HTMLFormElement::formElementIndex):
(WebCore::HTMLFormElement::defaultButton):
(WebCore::HTMLFormElement::checkInvalidControlsAndCollectUnhandled):
(WebCore::HTMLFormElement::documentDidResumeFromPageCache):
* html/HTMLMediaElement.h:
* html/HTMLPlugInImageElement.h:
* html/HTMLSummaryElement.cpp:
(WebCore::isClickableControl):
* html/LabelableElement.h:
* html/RadioNodeList.cpp:
(WebCore::RadioNodeList::checkElementMatchesRadioNodeListFilter):
(WebCore::RadioNodeList::elementMatches):
* html/parser/HTMLConstructionSite.cpp:
(WebCore::HTMLConstructionSite::findFosterSite):
* html/parser/HTMLTreeBuilder.cpp:
(WebCore::disallowTelephoneNumberParsing):
* loader/FormSubmission.cpp:
(WebCore::FormSubmission::create):
* mathml/MathMLElement.h:
* page/ContextMenuController.cpp:
(WebCore::ContextMenuController::populate):
* page/Frame.cpp:
(WebCore::Frame::searchForLabelsBeforeElement):
* rendering/RenderButton.cpp:
(WebCore::RenderButton::formControlElement):
* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::resize):
* rendering/RenderTheme.cpp:
(WebCore::RenderTheme::isReadOnlyControl):
* svg/SVGElement.h:
* svg/SVGFilterPrimitiveStandardAttributes.h:
* svg/animation/SVGSMILElement.h:

Source/WebKit/mac:

Use is&lt;HTMLFormControlElement&gt;() / downcast&lt;HTMLFormControlElement&gt;()
instead of isFormControlElement() / toHTMLFormControlElement().

* WebView/WebHTMLRepresentation.mm:
(searchForLabelsBeforeElement):

Source/WebKit/win:

Use is&lt;HTMLFormControlElement&gt;() / downcast&lt;HTMLFormControlElement&gt;()
instead of isFormControlElement() / toHTMLFormControlElement().

* WebFrame.cpp:
(WebFrame::elementWithName):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreaccessibilityAccessibilityNodeObjectcpp">trunk/Source/WebCore/accessibility/AccessibilityNodeObject.cpp</a></li>
<li><a href="#trunkSourceWebCorecssSelectorCheckerTestFunctionsh">trunk/Source/WebCore/css/SelectorCheckerTestFunctions.h</a></li>
<li><a href="#trunkSourceWebCorecssStyleResolvercpp">trunk/Source/WebCore/css/StyleResolver.cpp</a></li>
<li><a href="#trunkSourceWebCoredomDocumentcpp">trunk/Source/WebCore/dom/Document.cpp</a></li>
<li><a href="#trunkSourceWebCoredomDocumentFragmenth">trunk/Source/WebCore/dom/DocumentFragment.h</a></li>
<li><a href="#trunkSourceWebCoredomElementcpp">trunk/Source/WebCore/dom/Element.cpp</a></li>
<li><a href="#trunkSourceWebCoredomElementh">trunk/Source/WebCore/dom/Element.h</a></li>
<li><a href="#trunkSourceWebCoredomNodeh">trunk/Source/WebCore/dom/Node.h</a></li>
<li><a href="#trunkSourceWebCoredommake_namespl">trunk/Source/WebCore/dom/make_names.pl</a></li>
<li><a href="#trunkSourceWebCoreeditingFrameSelectioncpp">trunk/Source/WebCore/editing/FrameSelection.cpp</a></li>
<li><a href="#trunkSourceWebCoreeditingTextIteratorcpp">trunk/Source/WebCore/editing/TextIterator.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlFormAssociatedElementh">trunk/Source/WebCore/html/FormAssociatedElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLElementh">trunk/Source/WebCore/html/HTMLElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLFieldSetElementcpp">trunk/Source/WebCore/html/HTMLFieldSetElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLFormControlElementcpp">trunk/Source/WebCore/html/HTMLFormControlElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLFormControlElementh">trunk/Source/WebCore/html/HTMLFormControlElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLFormElementcpp">trunk/Source/WebCore/html/HTMLFormElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLMediaElementh">trunk/Source/WebCore/html/HTMLMediaElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLPlugInImageElementh">trunk/Source/WebCore/html/HTMLPlugInImageElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLSummaryElementcpp">trunk/Source/WebCore/html/HTMLSummaryElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlLabelableElementh">trunk/Source/WebCore/html/LabelableElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlRadioNodeListcpp">trunk/Source/WebCore/html/RadioNodeList.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlparserHTMLConstructionSitecpp">trunk/Source/WebCore/html/parser/HTMLConstructionSite.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlparserHTMLTreeBuildercpp">trunk/Source/WebCore/html/parser/HTMLTreeBuilder.cpp</a></li>
<li><a href="#trunkSourceWebCoreloaderFormSubmissioncpp">trunk/Source/WebCore/loader/FormSubmission.cpp</a></li>
<li><a href="#trunkSourceWebCoremathmlMathMLElementh">trunk/Source/WebCore/mathml/MathMLElement.h</a></li>
<li><a href="#trunkSourceWebCorepageContextMenuControllercpp">trunk/Source/WebCore/page/ContextMenuController.cpp</a></li>
<li><a href="#trunkSourceWebCorepageFramecpp">trunk/Source/WebCore/page/Frame.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderButtoncpp">trunk/Source/WebCore/rendering/RenderButton.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayercpp">trunk/Source/WebCore/rendering/RenderLayer.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderThemecpp">trunk/Source/WebCore/rendering/RenderTheme.cpp</a></li>
<li><a href="#trunkSourceWebCoresvgSVGElementh">trunk/Source/WebCore/svg/SVGElement.h</a></li>
<li><a href="#trunkSourceWebCoresvgSVGFilterPrimitiveStandardAttributesh">trunk/Source/WebCore/svg/SVGFilterPrimitiveStandardAttributes.h</a></li>
<li><a href="#trunkSourceWebCoresvganimationSVGSMILElementh">trunk/Source/WebCore/svg/animation/SVGSMILElement.h</a></li>
<li><a href="#trunkSourceWebKitmacChangeLog">trunk/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebHTMLRepresentationmm">trunk/Source/WebKit/mac/WebView/WebHTMLRepresentation.mm</a></li>
<li><a href="#trunkSourceWebKitwinChangeLog">trunk/Source/WebKit/win/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitwinWebFramecpp">trunk/Source/WebKit/win/WebFrame.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/ChangeLog        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -1,3 +1,107 @@
</span><ins>+2014-09-24  Christophe Dumez  &lt;cdumez@apple.com&gt;
+
+        Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes
+        https://bugs.webkit.org/show_bug.cgi?id=137056
+
+        Reviewed by Benjamin Poulain.
+
+        Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes, not
+        just Elements by:
+        - Moving the is&lt;&gt;() / downcast&lt;&gt;() declarations from Element.h to
+          Node.h
+        - Introducing a SPECIALIZE_TYPE_TRAITS_*() macro that generates the
+          needed template specializations for is&lt;&gt;() / downcast&lt;&gt;() to work.
+          This macro will replace NODE_TYPE_CASTS() entirely once the code base
+          is fully ported.
+
+        This patch makes use of SPECIALIZE_TYPE_TRAITS_*() macro for
+        HTMLFormControlElement, that is an HTMLElement for which the template
+        specializations cannot be automatically generated because it requires
+        special handling.
+
+        This patch also makes use of SPECIALIZE_TYPE_TRAITS_*() macro for
+        DocumentFragment to show that it can be used for non-Element Nodes.
+
+        No new tests, no behavior change.
+
+        * accessibility/AccessibilityNodeObject.cpp:
+        (WebCore::AccessibilityNodeObject::isReadOnly):
+        (WebCore::AccessibilityNodeObject::isRequired):
+        (WebCore::AccessibilityNodeObject::isControl):
+        * css/SelectorCheckerTestFunctions.h:
+        (WebCore::isAutofilled):
+        (WebCore::isDisabled):
+        (WebCore::isEnabled):
+        * css/StyleResolver.cpp:
+        (WebCore::StyleResolver::canShareStyleWithElement):
+        (WebCore::StyleResolver::adjustRenderStyle):
+        * dom/Document.cpp:
+        (WebCore::Document::importNode):
+        (WebCore::Document::setFocusedElement):
+        * dom/DocumentFragment.h:
+        (WebCore::isDocumentFragment):
+        * dom/Element.cpp:
+        (WebCore::Element::focus):
+        * dom/Element.h:
+        (WebCore::is): Deleted.
+        (WebCore::downcast): Deleted.
+        * dom/Node.h:
+        (WebCore::is):
+        (WebCore::downcast):
+        * dom/make_names.pl:
+        (printTypeHelpers):
+        * editing/FrameSelection.cpp:
+        (WebCore::scanForForm):
+        * editing/TextIterator.cpp:
+        (WebCore::isRendererReplacedElement):
+        * html/FormAssociatedElement.h:
+        * html/HTMLElement.h:
+        * html/HTMLFieldSetElement.cpp:
+        (WebCore::updateFromControlElementsAncestorDisabledStateUnder):
+        (WebCore::HTMLFieldSetElement::refreshElementsIfNeeded):
+        * html/HTMLFormControlElement.cpp:
+        (WebCore::HTMLFormControlElement::enclosingFormControlElement):
+        * html/HTMLFormControlElement.h:
+        (WebCore::isHTMLFormControlElement):
+        * html/HTMLFormElement.cpp:
+        (WebCore::HTMLFormElement::submitImplicitly):
+        (WebCore::submitElementFromEvent):
+        (WebCore::HTMLFormElement::validateInteractively):
+        (WebCore::HTMLFormElement::submit):
+        (WebCore::HTMLFormElement::reset):
+        (WebCore::HTMLFormElement::formElementIndex):
+        (WebCore::HTMLFormElement::defaultButton):
+        (WebCore::HTMLFormElement::checkInvalidControlsAndCollectUnhandled):
+        (WebCore::HTMLFormElement::documentDidResumeFromPageCache):
+        * html/HTMLMediaElement.h:
+        * html/HTMLPlugInImageElement.h:
+        * html/HTMLSummaryElement.cpp:
+        (WebCore::isClickableControl):
+        * html/LabelableElement.h:
+        * html/RadioNodeList.cpp:
+        (WebCore::RadioNodeList::checkElementMatchesRadioNodeListFilter):
+        (WebCore::RadioNodeList::elementMatches):
+        * html/parser/HTMLConstructionSite.cpp:
+        (WebCore::HTMLConstructionSite::findFosterSite):
+        * html/parser/HTMLTreeBuilder.cpp:
+        (WebCore::disallowTelephoneNumberParsing):
+        * loader/FormSubmission.cpp:
+        (WebCore::FormSubmission::create):
+        * mathml/MathMLElement.h:
+        * page/ContextMenuController.cpp:
+        (WebCore::ContextMenuController::populate):
+        * page/Frame.cpp:
+        (WebCore::Frame::searchForLabelsBeforeElement):
+        * rendering/RenderButton.cpp:
+        (WebCore::RenderButton::formControlElement):
+        * rendering/RenderLayer.cpp:
+        (WebCore::RenderLayer::resize):
+        * rendering/RenderTheme.cpp:
+        (WebCore::RenderTheme::isReadOnlyControl):
+        * svg/SVGElement.h:
+        * svg/SVGFilterPrimitiveStandardAttributes.h:
+        * svg/animation/SVGSMILElement.h:
+
</ins><span class="cx"> 2014-09-24  Darin Adler  &lt;darin@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Old Turkic characters behave as left-to-right instead of right-to-left, because they are encoded as surrogate pairs.
</span></span></pre></div>
<a id="trunkSourceWebCoreaccessibilityAccessibilityNodeObjectcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/accessibility/AccessibilityNodeObject.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/accessibility/AccessibilityNodeObject.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/accessibility/AccessibilityNodeObject.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -739,7 +739,7 @@
</span><span class="cx">         return true;
</span><span class="cx"> 
</span><span class="cx">     if (is&lt;HTMLTextAreaElement&gt;(node))
</span><del>-        return toHTMLFormControlElement(node)-&gt;isReadOnly();
</del><ins>+        return downcast&lt;HTMLTextAreaElement&gt;(node)-&gt;isReadOnly();
</ins><span class="cx"> 
</span><span class="cx">     if (is&lt;HTMLInputElement&gt;(node)) {
</span><span class="cx">         HTMLInputElement&amp; input = downcast&lt;HTMLInputElement&gt;(*node);
</span><span class="lines">@@ -760,8 +760,8 @@
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="cx">     Node* n = this-&gt;node();
</span><del>-    if (n &amp;&amp; (n-&gt;isElementNode() &amp;&amp; toElement(n)-&gt;isFormControlElement()))
-        return toHTMLFormControlElement(n)-&gt;isRequired();
</del><ins>+    if (n &amp;&amp; is&lt;HTMLFormControlElement&gt;(n))
+        return downcast&lt;HTMLFormControlElement&gt;(n)-&gt;isRequired();
</ins><span class="cx"> 
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="lines">@@ -898,8 +898,7 @@
</span><span class="cx">     if (!node)
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><del>-    return ((node-&gt;isElementNode() &amp;&amp; toElement(node)-&gt;isFormControlElement())
-        || AccessibilityObject::isARIAControl(ariaRoleAttribute()));
</del><ins>+    return is&lt;HTMLFormControlElement&gt;(node) || AccessibilityObject::isARIAControl(ariaRoleAttribute());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool AccessibilityNodeObject::isFieldset() const
</span></span></pre></div>
<a id="trunkSourceWebCorecssSelectorCheckerTestFunctionsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/SelectorCheckerTestFunctions.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/SelectorCheckerTestFunctions.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/css/SelectorCheckerTestFunctions.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -44,7 +44,7 @@
</span><span class="cx"> 
</span><span class="cx"> ALWAYS_INLINE bool isAutofilled(const Element* element)
</span><span class="cx"> {
</span><del>-    if (element-&gt;isFormControlElement()) {
</del><ins>+    if (is&lt;HTMLFormControlElement&gt;(element)) {
</ins><span class="cx">         if (const HTMLInputElement* inputElement = element-&gt;toInputElement())
</span><span class="cx">             return inputElement-&gt;isAutofilled();
</span><span class="cx">     }
</span><span class="lines">@@ -58,7 +58,7 @@
</span><span class="cx"> 
</span><span class="cx"> ALWAYS_INLINE bool isDisabled(const Element* element)
</span><span class="cx"> {
</span><del>-    if (element-&gt;isFormControlElement() || is&lt;HTMLOptionElement&gt;(element) || is&lt;HTMLOptGroupElement&gt;(element))
</del><ins>+    if (is&lt;HTMLFormControlElement&gt;(element) || is&lt;HTMLOptionElement&gt;(element) || is&lt;HTMLOptGroupElement&gt;(element))
</ins><span class="cx">         return element-&gt;isDisabledFormControl();
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="lines">@@ -66,7 +66,7 @@
</span><span class="cx"> ALWAYS_INLINE bool isEnabled(const Element* element)
</span><span class="cx"> {
</span><span class="cx">     bool isEnabled = false;
</span><del>-    if (element-&gt;isFormControlElement() || is&lt;HTMLOptionElement&gt;(element) || is&lt;HTMLOptGroupElement&gt;(element))
</del><ins>+    if (is&lt;HTMLFormControlElement&gt;(element) || is&lt;HTMLOptionElement&gt;(element) || is&lt;HTMLOptGroupElement&gt;(element))
</ins><span class="cx">         isEnabled = !element-&gt;isDisabledFormControl();
</span><span class="cx">     else if (element-&gt;isLink())
</span><span class="cx">         isEnabled = is&lt;HTMLAnchorElement&gt;(element) || is&lt;HTMLAreaElement&gt;(element);
</span></span></pre></div>
<a id="trunkSourceWebCorecssStyleResolvercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/StyleResolver.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/StyleResolver.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/css/StyleResolver.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -626,9 +626,9 @@
</span><span class="cx">     if (element-&gt;hasID() &amp;&amp; m_ruleSets.features().idsInRules.contains(element-&gt;idForStyleResolution().impl()))
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><del>-    bool isControl = element-&gt;isFormControlElement();
</del><ins>+    bool isControl = is&lt;HTMLFormControlElement&gt;(element);
</ins><span class="cx"> 
</span><del>-    if (isControl != state.element()-&gt;isFormControlElement())
</del><ins>+    if (isControl != is&lt;HTMLFormControlElement&gt;(state.element()))
</ins><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="cx">     if (isControl &amp;&amp; !canShareStyleWithControl(element))
</span><span class="lines">@@ -1335,7 +1335,7 @@
</span><span class="cx"> 
</span><span class="cx">     // Important: Intrinsic margins get added to controls before the theme has adjusted the style, since the theme will
</span><span class="cx">     // alter fonts and heights/widths.
</span><del>-    if (e &amp;&amp; e-&gt;isFormControlElement() &amp;&amp; style.fontSize() &gt;= 11) {
</del><ins>+    if (e &amp;&amp; is&lt;HTMLFormControlElement&gt;(e) &amp;&amp; style.fontSize() &gt;= 11) {
</ins><span class="cx">         // Don't apply intrinsic margins to image buttons. The designer knows how big the images are,
</span><span class="cx">         // so we have to treat all image buttons as though they were explicitly sized.
</span><span class="cx">         if (!is&lt;HTMLInputElement&gt;(e) || !downcast&lt;HTMLInputElement&gt;(*e).isImageButton())
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/Document.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -973,7 +973,7 @@
</span><span class="cx">             // Either they are imported along with their host node, or created implicitly.
</span><span class="cx">             break;
</span><span class="cx">         }
</span><del>-        DocumentFragment&amp; oldFragment = toDocumentFragment(*importedNode);
</del><ins>+        DocumentFragment&amp; oldFragment = downcast&lt;DocumentFragment&gt;(*importedNode);
</ins><span class="cx">         RefPtr&lt;DocumentFragment&gt; newFragment = createDocumentFragment();
</span><span class="cx">         if (deep) {
</span><span class="cx">             for (Node* oldChild = oldFragment.firstChild(); oldChild; oldChild = oldChild-&gt;nextSibling()) {
</span><span class="lines">@@ -3410,10 +3410,10 @@
</span><span class="cx">         oldFocusedElement-&gt;setFocus(false);
</span><span class="cx"> 
</span><span class="cx">         // Dispatch a change event for form control elements that have been edited.
</span><del>-        if (oldFocusedElement-&gt;isFormControlElement()) {
-            HTMLFormControlElement* formControlElement = toHTMLFormControlElement(oldFocusedElement.get());
-            if (formControlElement-&gt;wasChangedSinceLastFormControlChangeEvent())
-                formControlElement-&gt;dispatchFormControlChangeEvent();
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(*oldFocusedElement)) {
+            HTMLFormControlElement&amp; formControlElement = downcast&lt;HTMLFormControlElement&gt;(*oldFocusedElement);
+            if (formControlElement.wasChangedSinceLastFormControlChangeEvent())
+                formControlElement.dispatchFormControlChangeEvent();
</ins><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         // Dispatch the blur event and let the node do any other blur related activities (important for text fields)
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentFragmenth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/DocumentFragment.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/DocumentFragment.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/DocumentFragment.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -52,11 +52,10 @@
</span><span class="cx">     virtual bool childTypeAllowed(NodeType) const override;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline bool isDocumentFragment(const Node&amp; node) { return node.isDocumentFragment(); }
-void isDocumentFragment(const DocumentFragment&amp;); // Catch unnecessary runtime check of type known at compile time.
</del><ins>+SPECIALIZE_TYPE_TRAITS_BEGIN(DocumentFragment)
+    static bool isDocumentFragment(const Node&amp; node) { return node.isDocumentFragment(); }
+SPECIALIZE_TYPE_TRAITS_END()
</ins><span class="cx"> 
</span><del>-NODE_TYPE_CASTS(DocumentFragment)
-
</del><span class="cx"> } //namespace
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/Element.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -1928,7 +1928,7 @@
</span><span class="cx">     // Calling updateFocusAppearance() would generate an unnecessary call to ScrollView::setScrollPosition(),
</span><span class="cx">     // which would jump us around during this animation. See &lt;rdar://problem/6699741&gt;.
</span><span class="cx">     FrameView* view = document().view();
</span><del>-    bool isFormControl = view &amp;&amp; isFormControlElement();
</del><ins>+    bool isFormControl = view &amp;&amp; is&lt;HTMLFormControlElement&gt;(*this);
</ins><span class="cx">     if (isFormControl)
</span><span class="cx">         view-&gt;setProhibitsScrolling(true);
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/Element.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -670,52 +670,11 @@
</span><span class="cx"> 
</span><span class="cx"> NODE_TYPE_CASTS(Element)
</span><span class="cx"> 
</span><del>-template &lt;typename ExpectedType, typename ArgType&gt;
-struct ElementTypeCastTraits {
-    static bool is(ArgType&amp;);
-};
-
-// Type checking function for Elements, to use before casting with downcast&lt;&gt;().
-template &lt;typename ExpectedType, typename ArgType&gt;
-inline bool is(ArgType&amp; node)
-{
-    static_assert(!std::is_base_of&lt;ExpectedType, ArgType&gt;::value, &quot;Unnecessary type check&quot;);
-    return ElementTypeCastTraits&lt;const ExpectedType, const ArgType&gt;::is(node);
-}
-
-template &lt;typename ExpectedType, typename ArgType&gt;
-inline bool is(ArgType* node)
-{
-    ASSERT(node);
-    static_assert(!std::is_base_of&lt;ExpectedType, ArgType&gt;::value, &quot;Unnecessary type check&quot;);
-    return ElementTypeCastTraits&lt;const ExpectedType, const ArgType&gt;::is(*node);
-}
-
</del><span class="cx"> template &lt;&gt;
</span><del>-struct ElementTypeCastTraits&lt;const Element, const Node&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const Element, const Node&gt; {
</ins><span class="cx">     static bool is(const Node&amp; node) { return node.isElementNode(); }
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-template &lt;typename ExpectedType&gt;
-struct ElementTypeCastTraits&lt;ExpectedType, ExpectedType&gt; {
-    static bool is(ExpectedType&amp;) { return true; }
-};
-
-// Downcasting functions for Element types.
-template&lt;typename Target, typename Source&gt;
-inline typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target&amp;, Target&amp;&gt;::type downcast(Source&amp; source)
-{
-    static_assert(!std::is_base_of&lt;Target, Source&gt;::value, &quot;Unnecessary cast&quot;);
-    ASSERT_WITH_SECURITY_IMPLICATION(is&lt;Target&gt;(source));
-    return static_cast&lt;typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target&amp;, Target&amp;&gt;::type&gt;(source);
-}
-template&lt;typename Target, typename Source&gt; inline typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target*, Target*&gt;::type downcast(Source* source)
-{
-    static_assert(!std::is_base_of&lt;Target, Source&gt;::value, &quot;Unnecessary cast&quot;);
-    ASSERT_WITH_SECURITY_IMPLICATION(!source || is&lt;Target&gt;(*source));
-    return static_cast&lt;typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target*, Target*&gt;::type&gt;(source);
-}
-
</del><span class="cx"> inline bool Node::hasAttributes() const
</span><span class="cx"> {
</span><span class="cx">     return isElementNode() &amp;&amp; toElement(this)-&gt;hasAttributes();
</span></span></pre></div>
<a id="trunkSourceWebCoredomNodeh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Node.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Node.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/Node.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -739,6 +739,59 @@
</span><span class="cx">     return parentNode();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+template &lt;typename ExpectedType, typename ArgType&gt;
+struct NodeTypeCastTraits {
+    static bool is(ArgType&amp;);
+};
+
+template &lt;typename ExpectedType&gt;
+struct NodeTypeCastTraits&lt;ExpectedType, ExpectedType&gt; {
+    static bool is(ExpectedType&amp;) { return true; }
+};
+
+// Type checking function for Nodes, to use before casting with downcast&lt;&gt;().
+template &lt;typename ExpectedType, typename ArgType&gt;
+inline bool is(ArgType&amp; node)
+{
+    static_assert(!std::is_base_of&lt;ExpectedType, ArgType&gt;::value, &quot;Unnecessary type check&quot;);
+    return NodeTypeCastTraits&lt;const ExpectedType, const ArgType&gt;::is(node);
+}
+
+template &lt;typename ExpectedType, typename ArgType&gt;
+inline bool is(ArgType* node)
+{
+    ASSERT(node);
+    static_assert(!std::is_base_of&lt;ExpectedType, ArgType&gt;::value, &quot;Unnecessary type check&quot;);
+    return NodeTypeCastTraits&lt;const ExpectedType, const ArgType&gt;::is(*node);
+}
+
+// Downcasting functions for Node types.
+template&lt;typename Target, typename Source&gt;
+inline typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target&amp;, Target&amp;&gt;::type downcast(Source&amp; source)
+{
+    static_assert(!std::is_base_of&lt;Target, Source&gt;::value, &quot;Unnecessary cast&quot;);
+    ASSERT_WITH_SECURITY_IMPLICATION(is&lt;Target&gt;(source));
+    return static_cast&lt;typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target&amp;, Target&amp;&gt;::type&gt;(source);
+}
+template&lt;typename Target, typename Source&gt; inline typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target*, Target*&gt;::type downcast(Source* source)
+{
+    static_assert(!std::is_base_of&lt;Target, Source&gt;::value, &quot;Unnecessary cast&quot;);
+    ASSERT_WITH_SECURITY_IMPLICATION(!source || is&lt;Target&gt;(*source));
+    return static_cast&lt;typename std::conditional&lt;std::is_const&lt;Source&gt;::value, const Target*, Target*&gt;::type&gt;(source);
+}
+
+// Add support for type checking / casting using is&lt;&gt;() / downcast&lt;&gt;() helpers for a specific class.
+#define SPECIALIZE_TYPE_TRAITS_BEGIN(ClassName) \
+    template &lt;typename ArgType&gt; \
+    class NodeTypeCastTraits&lt;const ClassName, ArgType&gt; { \
+    public: \
+        static bool is(ArgType&amp; node) { return is##ClassName(node); } \
+    private:
+
+#define SPECIALIZE_TYPE_TRAITS_END() \
+    };
+
+// FIXME: This should be removed and all uses should be replaced with SPECIALIZE_TYPE_TRAITS_*().
</ins><span class="cx"> #define NODE_TYPE_CASTS(ToClassName) \
</span><span class="cx">     TYPE_CASTS_BASE(ToClassName, Node, node, WebCore::is##ToClassName(*node), WebCore::is##ToClassName(node))
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredommake_namespl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/make_names.pl (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/make_names.pl        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/dom/make_names.pl        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -636,7 +636,7 @@
</span><span class="cx">         print F &lt;&lt;END
</span><span class="cx"> class $class;
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-class ElementTypeCastTraits&lt;const $class, ArgType&gt; {
</del><ins>+class NodeTypeCastTraits&lt;const $class, ArgType&gt; {
</ins><span class="cx"> public:
</span><span class="cx">     static bool is(ArgType&amp; node) { return checkTagName(node); }
</span><span class="cx"> private:
</span></span></pre></div>
<a id="trunkSourceWebCoreeditingFrameSelectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/editing/FrameSelection.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/editing/FrameSelection.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/editing/FrameSelection.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -2025,8 +2025,8 @@
</span><span class="cx">         HTMLElement&amp; element = *it;
</span><span class="cx">         if (isHTMLFormElement(&amp;element))
</span><span class="cx">             return downcast&lt;HTMLFormElement&gt;(&amp;element);
</span><del>-        if (isHTMLFormControlElement(element))
-            return toHTMLFormControlElement(element).form();
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(element))
+            return downcast&lt;HTMLFormControlElement&gt;(element).form();
</ins><span class="cx">         if (isHTMLFrameElementBase(element)) {
</span><span class="cx">             Document* contentDocument = toHTMLFrameElementBase(element).contentDocument();
</span><span class="cx">             if (!contentDocument)
</span></span></pre></div>
<a id="trunkSourceWebCoreeditingTextIteratorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/editing/TextIterator.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/editing/TextIterator.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/editing/TextIterator.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -256,7 +256,7 @@
</span><span class="cx"> 
</span><span class="cx">     if (renderer-&gt;node() &amp;&amp; renderer-&gt;node()-&gt;isElementNode()) {
</span><span class="cx">         Element&amp; element = toElement(*renderer-&gt;node());
</span><del>-        if (element.isFormControlElement() || element.hasTagName(legendTag) || element.hasTagName(meterTag) || element.hasTagName(progressTag))
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(element) || is&lt;HTMLLegendElement&gt;(element) || is&lt;HTMLMeterElement&gt;(element) || is&lt;HTMLProgressElement&gt;(element))
</ins><span class="cx">             return true;
</span><span class="cx">         if (equalIgnoringCase(element.fastGetAttribute(roleAttr), &quot;img&quot;))
</span><span class="cx">             return true;
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlFormAssociatedElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/FormAssociatedElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/FormAssociatedElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/FormAssociatedElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -118,9 +118,6 @@
</span><span class="cx">     String m_customValidationMessage;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-#define FORM_ASSOCIATED_ELEMENT_TYPE_CASTS(ToClassName, predicate) \
-    TYPE_CASTS_BASE(ToClassName, FormAssociatedElement, element, element-&gt;predicate, element.predicate)
-
</del><span class="cx"> } // namespace
</span><span class="cx"> 
</span><span class="cx"> #endif // FormAssociatedElement_h
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -150,7 +150,7 @@
</span><span class="cx"> inline bool isHTMLElement(const Node&amp; node) { return node.isHTMLElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const HTMLElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const HTMLElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isHTMLElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLFieldSetElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLFieldSetElement.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLFieldSetElement.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLFieldSetElement.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -58,8 +58,8 @@
</span><span class="cx"> static void updateFromControlElementsAncestorDisabledStateUnder(HTMLElement&amp; startNode, bool isDisabled)
</span><span class="cx"> {
</span><span class="cx">     HTMLFormControlElement* control;
</span><del>-    if (isHTMLFormControlElement(startNode))
-        control = &amp;toHTMLFormControlElement(startNode);
</del><ins>+    if (is&lt;HTMLFormControlElement&gt;(startNode))
+        control = &amp;downcast&lt;HTMLFormControlElement&gt;(startNode);
</ins><span class="cx">     else
</span><span class="cx">         control = Traversal&lt;HTMLFormControlElement&gt;::firstWithin(&amp;startNode);
</span><span class="cx">     while (control) {
</span><span class="lines">@@ -167,8 +167,8 @@
</span><span class="cx">     for (auto&amp; element : descendantsOfType&lt;Element&gt;(const_cast&lt;HTMLFieldSetElement&amp;&gt;(*this))) {
</span><span class="cx">         if (element.hasTagName(objectTag))
</span><span class="cx">             m_associatedElements.append(&amp;downcast&lt;HTMLObjectElement&gt;(element));
</span><del>-        else if (element.isFormControlElement())
-            m_associatedElements.append(&amp;toHTMLFormControlElement(element));
</del><ins>+        else if (is&lt;HTMLFormControlElement&gt;(element))
+            m_associatedElements.append(&amp;downcast&lt;HTMLFormControlElement&gt;(element));
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLFormControlElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLFormControlElement.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLFormControlElement.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLFormControlElement.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -508,10 +508,10 @@
</span><span class="cx"> HTMLFormControlElement* HTMLFormControlElement::enclosingFormControlElement(Node* node)
</span><span class="cx"> {
</span><span class="cx">     for (; node; node = node-&gt;parentNode()) {
</span><del>-        if (node-&gt;isElementNode() &amp;&amp; toElement(node)-&gt;isFormControlElement())
-            return toHTMLFormControlElement(node);
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(node))
+            return downcast&lt;HTMLFormControlElement&gt;(node);
</ins><span class="cx">     }
</span><del>-    return 0;
</del><ins>+    return nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace Webcore
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLFormControlElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLFormControlElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLFormControlElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLFormControlElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -190,19 +190,12 @@
</span><span class="cx">     bool m_hasAutofocused : 1;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-void isHTMLFormControlElement(const HTMLFormControlElement&amp;); // Catch unnecessary runtime check of type known at compile time.
-inline bool isHTMLFormControlElement(const Element&amp; element) { return element.isFormControlElement(); }
-inline bool isHTMLFormControlElement(const Node&amp; node) { return node.isElementNode() &amp;&amp; toElement(node).isFormControlElement(); }
</del><ins>+SPECIALIZE_TYPE_TRAITS_BEGIN(HTMLFormControlElement)
+    static bool isHTMLFormControlElement(const Element&amp; element) { return element.isFormControlElement(); }
+    static bool isHTMLFormControlElement(const Node&amp; node) { return node.isElementNode() &amp;&amp; toElement(node).isFormControlElement(); }
+    static bool isHTMLFormControlElement(const FormAssociatedElement&amp; element) { return element.isFormControlElement(); }
+SPECIALIZE_TYPE_TRAITS_END()
</ins><span class="cx"> 
</span><del>-template &lt;typename ArgType&gt;
-struct ElementTypeCastTraits&lt;const HTMLFormControlElement, ArgType&gt; {
-    static bool is(ArgType&amp; node) { return isHTMLFormControlElement(node); }
-};
-
-NODE_TYPE_CASTS(HTMLFormControlElement)
-
-FORM_ASSOCIATED_ELEMENT_TYPE_CASTS(HTMLFormControlElement, isFormControlElement())
-
</del><span class="cx"> } // namespace
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLFormElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLFormElement.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLFormElement.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLFormElement.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -182,15 +182,15 @@
</span><span class="cx">     unsigned submissionTriggerCount = 0;
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><span class="cx">         FormAssociatedElement* formAssociatedElement = m_associatedElements[i];
</span><del>-        if (!formAssociatedElement-&gt;isFormControlElement())
</del><ins>+        if (!is&lt;HTMLFormControlElement&gt;(formAssociatedElement))
</ins><span class="cx">             continue;
</span><del>-        HTMLFormControlElement* formElement = toHTMLFormControlElement(formAssociatedElement);
-        if (formElement-&gt;isSuccessfulSubmitButton()) {
-            if (formElement-&gt;renderer()) {
-                formElement-&gt;dispatchSimulatedClick(event);
</del><ins>+        HTMLFormControlElement&amp; formElement = downcast&lt;HTMLFormControlElement&gt;(*formAssociatedElement);
+        if (formElement.isSuccessfulSubmitButton()) {
+            if (formElement.renderer()) {
+                formElement.dispatchSimulatedClick(event);
</ins><span class="cx">                 return;
</span><span class="cx">             }
</span><del>-        } else if (formElement-&gt;canTriggerImplicitSubmission())
</del><ins>+        } else if (formElement.canTriggerImplicitSubmission())
</ins><span class="cx">             ++submissionTriggerCount;
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="lines">@@ -206,10 +206,10 @@
</span><span class="cx"> static inline HTMLFormControlElement* submitElementFromEvent(const Event* event)
</span><span class="cx"> {
</span><span class="cx">     for (Node* node = event-&gt;target()-&gt;toNode(); node; node = node-&gt;parentNode()) {
</span><del>-        if (node-&gt;isElementNode() &amp;&amp; toElement(node)-&gt;isFormControlElement())
-            return toHTMLFormControlElement(node);
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(node))
+            return downcast&lt;HTMLFormControlElement&gt;(node);
</ins><span class="cx">     }
</span><del>-    return 0;
</del><ins>+    return nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool HTMLFormElement::validateInteractively(Event* event)
</span><span class="lines">@@ -223,8 +223,8 @@
</span><span class="cx">         return true;
</span><span class="cx"> 
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><del>-        if (m_associatedElements[i]-&gt;isFormControlElement())
-            toHTMLFormControlElement(m_associatedElements[i])-&gt;hideVisibleValidationMessage();
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(m_associatedElements[i]))
+            downcast&lt;HTMLFormControlElement&gt;(*m_associatedElements[i]).hideVisibleValidationMessage();
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     Vector&lt;RefPtr&lt;FormAssociatedElement&gt;&gt; unhandledInvalidControls;
</span><span class="lines">@@ -245,8 +245,8 @@
</span><span class="cx">         if (element.inDocument() &amp;&amp; element.isFocusable()) {
</span><span class="cx">             element.scrollIntoViewIfNeeded(false);
</span><span class="cx">             element.focus();
</span><del>-            if (element.isFormControlElement())
-                toHTMLFormControlElement(element).updateVisibleValidationMessage();
</del><ins>+            if (is&lt;HTMLFormControlElement&gt;(element))
+                downcast&lt;HTMLFormControlElement&gt;(element).updateVisibleValidationMessage();
</ins><span class="cx">             break;
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="lines">@@ -345,14 +345,14 @@
</span><span class="cx"> 
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><span class="cx">         FormAssociatedElement* associatedElement = m_associatedElements[i];
</span><del>-        if (!associatedElement-&gt;isFormControlElement())
</del><ins>+        if (!is&lt;HTMLFormControlElement&gt;(associatedElement))
</ins><span class="cx">             continue;
</span><span class="cx">         if (needButtonActivation) {
</span><del>-            HTMLFormControlElement* control = toHTMLFormControlElement(associatedElement);
-            if (control-&gt;isActivatedSubmit())
</del><ins>+            HTMLFormControlElement&amp; control = downcast&lt;HTMLFormControlElement&gt;(*associatedElement);
+            if (control.isActivatedSubmit())
</ins><span class="cx">                 needButtonActivation = false;
</span><del>-            else if (firstSuccessfulSubmitButton == 0 &amp;&amp; control-&gt;isSuccessfulSubmitButton())
-                firstSuccessfulSubmitButton = control;
</del><ins>+            else if (!firstSuccessfulSubmitButton &amp;&amp; control.isSuccessfulSubmitButton())
+                firstSuccessfulSubmitButton = &amp;control;
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="lines">@@ -384,8 +384,8 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><del>-        if (m_associatedElements[i]-&gt;isFormControlElement())
-            toHTMLFormControlElement(m_associatedElements[i])-&gt;reset();
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(m_associatedElements[i]))
+            downcast&lt;HTMLFormControlElement&gt;(*m_associatedElements[i]).reset();
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     m_isInResetFunction = false;
</span><span class="lines">@@ -592,7 +592,7 @@
</span><span class="cx">     for (auto&amp; element : descendants) {
</span><span class="cx">         if (&amp;element == &amp;associatedHTMLElement)
</span><span class="cx">             return i;
</span><del>-        if (!isHTMLFormControlElement(element) &amp;&amp; !is&lt;HTMLObjectElement&gt;(element))
</del><ins>+        if (!is&lt;HTMLFormControlElement&gt;(element) &amp;&amp; !is&lt;HTMLObjectElement&gt;(element))
</ins><span class="cx">             continue;
</span><span class="cx">         if (element.form() != this)
</span><span class="cx">             continue;
</span><span class="lines">@@ -696,14 +696,14 @@
</span><span class="cx"> HTMLFormControlElement* HTMLFormElement::defaultButton() const
</span><span class="cx"> {
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><del>-        if (!m_associatedElements[i]-&gt;isFormControlElement())
</del><ins>+        if (!is&lt;HTMLFormControlElement&gt;(m_associatedElements[i]))
</ins><span class="cx">             continue;
</span><del>-        HTMLFormControlElement* control = toHTMLFormControlElement(m_associatedElements[i]);
-        if (control-&gt;isSuccessfulSubmitButton())
-            return control;
</del><ins>+        HTMLFormControlElement&amp; control = downcast&lt;HTMLFormControlElement&gt;(*m_associatedElements[i]);
+        if (control.isSuccessfulSubmitButton())
+            return &amp;control;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    return 0;
</del><ins>+    return nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool HTMLFormElement::checkValidity()
</span><span class="lines">@@ -723,9 +723,9 @@
</span><span class="cx">         elements.append(m_associatedElements[i]);
</span><span class="cx">     bool hasInvalidControls = false;
</span><span class="cx">     for (unsigned i = 0; i &lt; elements.size(); ++i) {
</span><del>-        if (elements[i]-&gt;form() == this &amp;&amp; elements[i]-&gt;isFormControlElement()) {
-            HTMLFormControlElement* control = toHTMLFormControlElement(elements[i].get());
-            if (!control-&gt;checkValidity(&amp;unhandledInvalidControls) &amp;&amp; control-&gt;form() == this)
</del><ins>+        if (elements[i]-&gt;form() == this &amp;&amp; is&lt;HTMLFormControlElement&gt;(*elements[i])) {
+            HTMLFormControlElement&amp; control = downcast&lt;HTMLFormControlElement&gt;(*elements[i]);
+            if (!control.checkValidity(&amp;unhandledInvalidControls) &amp;&amp; control.form() == this)
</ins><span class="cx">                 hasInvalidControls = true;
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="lines">@@ -810,8 +810,8 @@
</span><span class="cx">     ASSERT(!shouldAutocomplete());
</span><span class="cx"> 
</span><span class="cx">     for (unsigned i = 0; i &lt; m_associatedElements.size(); ++i) {
</span><del>-        if (m_associatedElements[i]-&gt;isFormControlElement())
-            toHTMLFormControlElement(m_associatedElements[i])-&gt;reset();
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(m_associatedElements[i]))
+            downcast&lt;HTMLFormControlElement&gt;(*m_associatedElements[i]).reset();
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLMediaElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLMediaElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLMediaElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLMediaElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -915,7 +915,7 @@
</span><span class="cx"> inline bool isHTMLMediaElement(const Node&amp; node) { return node.isElementNode() &amp;&amp; toElement(node).isMediaElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const HTMLMediaElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const HTMLMediaElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isHTMLMediaElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLPlugInImageElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLPlugInImageElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLPlugInImageElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLPlugInImageElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -162,7 +162,7 @@
</span><span class="cx"> inline bool isHTMLPlugInImageElement(const Node&amp; node) { return node.isPluginElement() &amp;&amp; toHTMLPlugInElement(node).isPlugInImageElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const HTMLPlugInImageElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const HTMLPlugInImageElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isHTMLPlugInImageElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLSummaryElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLSummaryElement.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLSummaryElement.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/HTMLSummaryElement.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -24,6 +24,7 @@
</span><span class="cx"> #if ENABLE(DETAILS_ELEMENT)
</span><span class="cx"> #include &quot;DetailsMarkerControl.h&quot;
</span><span class="cx"> #include &quot;HTMLDetailsElement.h&quot;
</span><ins>+#include &quot;HTMLFormControlElement.h&quot;
</ins><span class="cx"> #include &quot;InsertionPoint.h&quot;
</span><span class="cx"> #include &quot;KeyboardEvent.h&quot;
</span><span class="cx"> #include &quot;MouseEvent.h&quot;
</span><span class="lines">@@ -104,10 +105,10 @@
</span><span class="cx">     if (!node-&gt;isElementNode())
</span><span class="cx">         return false;
</span><span class="cx">     Element* element = toElement(node);
</span><del>-    if (element-&gt;isFormControlElement())
</del><ins>+    if (is&lt;HTMLFormControlElement&gt;(element))
</ins><span class="cx">         return true;
</span><span class="cx">     Element* host = element-&gt;shadowHost();
</span><del>-    return host &amp;&amp; host-&gt;isFormControlElement();
</del><ins>+    return host &amp;&amp; is&lt;HTMLFormControlElement&gt;(host);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool HTMLSummaryElement::supportsFocus() const
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlLabelableElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/LabelableElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/LabelableElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/LabelableElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -55,7 +55,7 @@
</span><span class="cx"> inline bool isLabelableElement(const Node&amp; node) { return node.isHTMLElement() &amp;&amp; toHTMLElement(node).isLabelable(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const LabelableElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const LabelableElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isLabelableElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlRadioNodeListcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/RadioNodeList.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/RadioNodeList.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/RadioNodeList.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -85,13 +85,13 @@
</span><span class="cx"> 
</span><span class="cx"> bool RadioNodeList::checkElementMatchesRadioNodeListFilter(const Element&amp; testElement) const
</span><span class="cx"> {
</span><del>-    ASSERT(testElement.hasTagName(objectTag) || testElement.isFormControlElement());
</del><ins>+    ASSERT(is&lt;HTMLObjectElement&gt;(testElement) || is&lt;HTMLFormControlElement&gt;(testElement));
</ins><span class="cx">     if (isHTMLFormElement(ownerNode())) {
</span><span class="cx">         HTMLFormElement* formElement = nullptr;
</span><span class="cx">         if (testElement.hasTagName(objectTag))
</span><span class="cx">             formElement = downcast&lt;HTMLObjectElement&gt;(testElement).form();
</span><span class="cx">         else
</span><del>-            formElement = toHTMLFormControlElement(testElement).form();
</del><ins>+            formElement = downcast&lt;HTMLFormControlElement&gt;(testElement).form();
</ins><span class="cx">         if (!formElement || formElement != &amp;ownerNode())
</span><span class="cx">             return false;
</span><span class="cx">     }
</span><span class="lines">@@ -101,7 +101,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool RadioNodeList::elementMatches(Element&amp; testElement) const
</span><span class="cx"> {
</span><del>-    if (!testElement.hasTagName(objectTag) &amp;&amp; !testElement.isFormControlElement())
</del><ins>+    if (!is&lt;HTMLObjectElement&gt;(testElement) &amp;&amp; !is&lt;HTMLFormControlElement&gt;(testElement))
</ins><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="cx">     if (HTMLInputElement* inputElement = testElement.toInputElement()) {
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlparserHTMLConstructionSitecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/parser/HTMLConstructionSite.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/parser/HTMLConstructionSite.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/parser/HTMLConstructionSite.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -727,7 +727,7 @@
</span><span class="cx">         // and instead use the DocumentFragment as a root node. So we must treat the root node (DocumentFragment) as if it is a html element here.
</span><span class="cx">         bool parentCanBeFosterParent = parent &amp;&amp; (parent-&gt;isElementNode() || (m_isParsingFragment &amp;&amp; parent == m_openElements.rootNode()));
</span><span class="cx"> #if ENABLE(TEMPLATE_ELEMENT)
</span><del>-        parentCanBeFosterParent = parentCanBeFosterParent || (parent &amp;&amp; parent-&gt;isDocumentFragment() &amp;&amp; toDocumentFragment(parent)-&gt;isTemplateContent());
</del><ins>+        parentCanBeFosterParent = parentCanBeFosterParent || (parent &amp;&amp; is&lt;DocumentFragment&gt;(parent) &amp;&amp; downcast&lt;DocumentFragment&gt;(parent)-&gt;isTemplateContent());
</ins><span class="cx"> #endif
</span><span class="cx">         if (parentCanBeFosterParent) {
</span><span class="cx">             task.parent = parent;
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlparserHTMLTreeBuildercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/parser/HTMLTreeBuilder.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/parser/HTMLTreeBuilder.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/html/parser/HTMLTreeBuilder.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -2381,7 +2381,7 @@
</span><span class="cx">     return node.isLink()
</span><span class="cx">         || node.nodeType() == Node::COMMENT_NODE
</span><span class="cx">         || node.hasTagName(scriptTag)
</span><del>-        || (node.isHTMLElement() &amp;&amp; toHTMLElement(node).isFormControlElement())
</del><ins>+        || is&lt;HTMLFormControlElement&gt;(node)
</ins><span class="cx">         || node.hasTagName(styleTag)
</span><span class="cx">         || node.hasTagName(ttTag)
</span><span class="cx">         || node.hasTagName(preTag)
</span></span></pre></div>
<a id="trunkSourceWebCoreloaderFormSubmissioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/loader/FormSubmission.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/loader/FormSubmission.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/loader/FormSubmission.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -144,8 +144,8 @@
</span><span class="cx">     HTMLFormControlElement* submitButton = 0;
</span><span class="cx">     if (event &amp;&amp; event-&gt;target()) {
</span><span class="cx">         for (Node* node = event-&gt;target()-&gt;toNode(); node; node = node-&gt;parentNode()) {
</span><del>-            if (node-&gt;isElementNode() &amp;&amp; toElement(node)-&gt;isFormControlElement()) {
-                submitButton = toHTMLFormControlElement(node);
</del><ins>+            if (is&lt;HTMLFormControlElement&gt;(node)) {
+                submitButton = downcast&lt;HTMLFormControlElement&gt;(node);
</ins><span class="cx">                 break;
</span><span class="cx">             }
</span><span class="cx">         }
</span></span></pre></div>
<a id="trunkSourceWebCoremathmlMathMLElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/mathml/MathMLElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/mathml/MathMLElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/mathml/MathMLElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -77,7 +77,7 @@
</span><span class="cx"> inline bool isMathMLElement(const Node&amp; node) { return node.isMathMLElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const MathMLElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const MathMLElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isMathMLElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorepageContextMenuControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/ContextMenuController.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ContextMenuController.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/page/ContextMenuController.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -836,7 +836,7 @@
</span><span class="cx">     if (!node)
</span><span class="cx">         return;
</span><span class="cx"> #if PLATFORM(GTK)
</span><del>-    if (!m_context.hitTestResult().isContentEditable() &amp;&amp; (node-&gt;isElementNode() &amp;&amp; toElement(node)-&gt;isFormControlElement()))
</del><ins>+    if (!m_context.hitTestResult().isContentEditable() &amp;&amp; is&lt;HTMLFormControlElement&gt;(node))
</ins><span class="cx">         return;
</span><span class="cx"> #endif
</span><span class="cx">     Frame* frame = node-&gt;document().frame();
</span></span></pre></div>
<a id="trunkSourceWebCorepageFramecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Frame.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Frame.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/page/Frame.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -389,7 +389,7 @@
</span><span class="cx">     Node* n;
</span><span class="cx">     for (n = NodeTraversal::previous(element); n &amp;&amp; lengthSearched &lt; charsSearchedThreshold; n = NodeTraversal::previous(n)) {
</span><span class="cx">         // We hit another form element or the start of the form - bail out
</span><del>-        if (isHTMLFormElement(n) || (n-&gt;isHTMLElement() &amp;&amp; toElement(n)-&gt;isFormControlElement()))
</del><ins>+        if (is&lt;HTMLFormElement&gt;(n) || is&lt;HTMLFormControlElement&gt;(n))
</ins><span class="cx">             break;
</span><span class="cx"> 
</span><span class="cx">         if (n-&gt;hasTagName(tdTag) &amp;&amp; !startingTableCell) {
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderButtoncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderButton.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderButton.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/rendering/RenderButton.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -51,7 +51,7 @@
</span><span class="cx"> 
</span><span class="cx"> HTMLFormControlElement&amp; RenderButton::formControlElement() const
</span><span class="cx"> {
</span><del>-    return toHTMLFormControlElement(nodeForNonAnonymous());
</del><ins>+    return downcast&lt;HTMLFormControlElement&gt;(nodeForNonAnonymous());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderButton::canBeSelectionLeaf() const
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayer.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayer.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/rendering/RenderLayer.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -69,6 +69,7 @@
</span><span class="cx"> #include &quot;FrameView.h&quot;
</span><span class="cx"> #include &quot;Gradient.h&quot;
</span><span class="cx"> #include &quot;GraphicsContext.h&quot;
</span><ins>+#include &quot;HTMLFormControlElement.h&quot;
</ins><span class="cx"> #include &quot;HTMLFrameElement.h&quot;
</span><span class="cx"> #include &quot;HTMLFrameOwnerElement.h&quot;
</span><span class="cx"> #include &quot;HTMLNames.h&quot;
</span><span class="lines">@@ -2573,7 +2574,7 @@
</span><span class="cx"> 
</span><span class="cx">     EResize resize = renderer-&gt;style().resize();
</span><span class="cx">     if (resize != RESIZE_VERTICAL &amp;&amp; difference.width()) {
</span><del>-        if (element-&gt;isFormControlElement()) {
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(element)) {
</ins><span class="cx">             // Make implicit margins from the theme explicit (see &lt;http://bugs.webkit.org/show_bug.cgi?id=9547&gt;).
</span><span class="cx">             styledElement-&gt;setInlineStyleProperty(CSSPropertyMarginLeft, renderer-&gt;marginLeft() / zoomFactor, CSSPrimitiveValue::CSS_PX);
</span><span class="cx">             styledElement-&gt;setInlineStyleProperty(CSSPropertyMarginRight, renderer-&gt;marginRight() / zoomFactor, CSSPrimitiveValue::CSS_PX);
</span><span class="lines">@@ -2584,7 +2585,7 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (resize != RESIZE_HORIZONTAL &amp;&amp; difference.height()) {
</span><del>-        if (element-&gt;isFormControlElement()) {
</del><ins>+        if (is&lt;HTMLFormControlElement&gt;(element)) {
</ins><span class="cx">             // Make implicit margins from the theme explicit (see &lt;http://bugs.webkit.org/show_bug.cgi?id=9547&gt;).
</span><span class="cx">             styledElement-&gt;setInlineStyleProperty(CSSPropertyMarginTop, renderer-&gt;marginTop() / zoomFactor, CSSPrimitiveValue::CSS_PX);
</span><span class="cx">             styledElement-&gt;setInlineStyleProperty(CSSPropertyMarginBottom, renderer-&gt;marginBottom() / zoomFactor, CSSPrimitiveValue::CSS_PX);
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderThemecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderTheme.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderTheme.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/rendering/RenderTheme.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -843,9 +843,9 @@
</span><span class="cx"> bool RenderTheme::isReadOnlyControl(const RenderObject&amp; o) const
</span><span class="cx"> {
</span><span class="cx">     Node* node = o.node();
</span><del>-    if (!node || !node-&gt;isElementNode() || !toElement(node)-&gt;isFormControlElement())
</del><ins>+    if (!node || !is&lt;HTMLFormControlElement&gt;(node))
</ins><span class="cx">         return false;
</span><del>-    return !toElement(node)-&gt;matchesReadWritePseudoClass();
</del><ins>+    return !toElement(*node).matchesReadWritePseudoClass();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderTheme::isHovered(const RenderObject&amp; o) const
</span></span></pre></div>
<a id="trunkSourceWebCoresvgSVGElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/svg/SVGElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/svg/SVGElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/svg/SVGElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -225,7 +225,7 @@
</span><span class="cx"> inline bool isSVGElement(const Node&amp; node) { return node.isSVGElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const SVGElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const SVGElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isSVGElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoresvgSVGFilterPrimitiveStandardAttributesh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/svg/SVGFilterPrimitiveStandardAttributes.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/svg/SVGFilterPrimitiveStandardAttributes.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/svg/SVGFilterPrimitiveStandardAttributes.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -87,7 +87,7 @@
</span><span class="cx"> inline bool isSVGFilterPrimitiveStandardAttributes(const Node&amp; node) { return node.isSVGElement() &amp;&amp; downcast&lt;SVGElement&gt;(node).isFilterEffect(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const SVGFilterPrimitiveStandardAttributes, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const SVGFilterPrimitiveStandardAttributes, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isSVGFilterPrimitiveStandardAttributes(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoresvganimationSVGSMILElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/svg/animation/SVGSMILElement.h (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/svg/animation/SVGSMILElement.h        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebCore/svg/animation/SVGSMILElement.h        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -242,7 +242,7 @@
</span><span class="cx"> inline bool isSVGSMILElement(const Node&amp; node) { return node.isSVGElement() &amp;&amp; downcast&lt;SVGElement&gt;(node).isSMILElement(); }
</span><span class="cx"> 
</span><span class="cx"> template &lt;typename ArgType&gt;
</span><del>-struct ElementTypeCastTraits&lt;const SVGSMILElement, ArgType&gt; {
</del><ins>+struct NodeTypeCastTraits&lt;const SVGSMILElement, ArgType&gt; {
</ins><span class="cx">     static bool is(ArgType&amp; node) { return isSVGSMILElement(node); }
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/ChangeLog (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/ChangeLog        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebKit/mac/ChangeLog        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -1,5 +1,18 @@
</span><span class="cx"> 2014-09-24  Christophe Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes
+        https://bugs.webkit.org/show_bug.cgi?id=137056
+
+        Reviewed by Benjamin Poulain.
+
+        Use is&lt;HTMLFormControlElement&gt;() / downcast&lt;HTMLFormControlElement&gt;()
+        instead of isFormControlElement() / toHTMLFormControlElement().
+
+        * WebView/WebHTMLRepresentation.mm:
+        (searchForLabelsBeforeElement):
+
+2014-09-24  Christophe Dumez  &lt;cdumez@apple.com&gt;
+
</ins><span class="cx">         Use is&lt;HTML*Element&gt;() instead of isHTML*Element() - Part 1
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=137068
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebHTMLRepresentationmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebHTMLRepresentation.mm (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebHTMLRepresentation.mm        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebKit/mac/WebView/WebHTMLRepresentation.mm        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -445,15 +445,13 @@
</span><span class="cx">     unsigned lengthSearched = 0;
</span><span class="cx">     Node* n;
</span><span class="cx">     for (n = NodeTraversal::previous(element);
</span><del>-         n &amp;&amp; lengthSearched &lt; charsSearchedThreshold;
-         n = NodeTraversal::previous(n))
-    {
-        if (n-&gt;hasTagName(formTag)
-            || (n-&gt;isHTMLElement() &amp;&amp; toElement(n)-&gt;isFormControlElement()))
-        {
</del><ins>+        n &amp;&amp; lengthSearched &lt; charsSearchedThreshold;
+        n = NodeTraversal::previous(n)) {
+        if (is&lt;HTMLFormElement&gt;(n) || is&lt;HTMLFormControlElement&gt;(n)) {
</ins><span class="cx">             // We hit another form element or the start of the form - bail out
</span><span class="cx">             break;
</span><del>-        } else if (n-&gt;hasTagName(tdTag) &amp;&amp; !startingTableCell) {
</del><ins>+        }
+        if (n-&gt;hasTagName(tdTag) &amp;&amp; !startingTableCell) {
</ins><span class="cx">             startingTableCell = static_cast&lt;HTMLTableCellElement*&gt;(n);
</span><span class="cx">         } else if (n-&gt;hasTagName(trTag) &amp;&amp; startingTableCell) {
</span><span class="cx">             NSString* result = frame-&gt;searchForLabelsAboveCell(*regExp, startingTableCell, resultDistance);
</span></span></pre></div>
<a id="trunkSourceWebKitwinChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/win/ChangeLog (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/win/ChangeLog        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebKit/win/ChangeLog        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -1,5 +1,18 @@
</span><span class="cx"> 2014-09-24  Christophe Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Add initial is&lt;&gt;() / downcast&lt;&gt;() support for any type of Nodes
+        https://bugs.webkit.org/show_bug.cgi?id=137056
+
+        Reviewed by Benjamin Poulain.
+
+        Use is&lt;HTMLFormControlElement&gt;() / downcast&lt;HTMLFormControlElement&gt;()
+        instead of isFormControlElement() / toHTMLFormControlElement().
+
+        * WebFrame.cpp:
+        (WebFrame::elementWithName):
+
+2014-09-24  Christophe Dumez  &lt;cdumez@apple.com&gt;
+
</ins><span class="cx">         Unreviewed build fix after r173932.
</span><span class="cx"> 
</span><span class="cx">         Unreviewed build fix after r173932 for Windows. Use WebCore:: namespace
</span></span></pre></div>
<a id="trunkSourceWebKitwinWebFramecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/win/WebFrame.cpp (173943 => 173944)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/win/WebFrame.cpp        2014-09-25 02:53:48 UTC (rev 173943)
+++ trunk/Source/WebKit/win/WebFrame.cpp        2014-09-25 03:50:40 UTC (rev 173944)
</span><span class="lines">@@ -1101,12 +1101,12 @@
</span><span class="cx">         const Vector&lt;FormAssociatedElement*&gt;&amp; elements = formElement-&gt;associatedElements();
</span><span class="cx">         AtomicString targetName((UChar*)name, SysStringLen(name));
</span><span class="cx">         for (unsigned int i = 0; i &lt; elements.size(); i++) {
</span><del>-            if (!elements[i]-&gt;isFormControlElement())
</del><ins>+            if (!is&lt;HTMLFormControlElement&gt;(elements[i]))
</ins><span class="cx">                 continue;
</span><del>-            HTMLFormControlElement* elt = toHTMLFormControlElement(elements[i]);
</del><ins>+            HTMLFormControlElement&amp; elt = downcast&lt;HTMLFormControlElement&gt;(*elements[i]);
</ins><span class="cx">             // Skip option elements, other duds
</span><del>-            if (elt-&gt;name() == targetName) {
-                *element = DOMElement::createInstance(elt);
</del><ins>+            if (elt.name() == targetName) {
+                *element = DOMElement::createInstance(&amp;elt);
</ins><span class="cx">                 return S_OK;
</span><span class="cx">             }
</span><span class="cx">         }
</span></span></pre>
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