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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/164184">164184</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2014-02-15 18:01:04 -0800 (Sat, 15 Feb 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add checked casts for Event.
&lt;https://webkit.org/b/128875&gt;

Generate casting helpers for casting from Event to various subclasses
and go on static_cast replacement spree.

Reviewed by Sam Weinig.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsjsJSErrorHandlercpp">trunk/Source/WebCore/bindings/js/JSErrorHandler.cpp</a></li>
<li><a href="#trunkSourceWebCoredomBeforeTextInsertedEventh">trunk/Source/WebCore/dom/BeforeTextInsertedEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomBeforeUnloadEventh">trunk/Source/WebCore/dom/BeforeUnloadEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomErrorEventcpp">trunk/Source/WebCore/dom/ErrorEvent.cpp</a></li>
<li><a href="#trunkSourceWebCoredomErrorEventh">trunk/Source/WebCore/dom/ErrorEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomEventcpp">trunk/Source/WebCore/dom/Event.cpp</a></li>
<li><a href="#trunkSourceWebCoredomEventh">trunk/Source/WebCore/dom/Event.h</a></li>
<li><a href="#trunkSourceWebCoredomFocusEventh">trunk/Source/WebCore/dom/FocusEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomKeyboardEventcpp">trunk/Source/WebCore/dom/KeyboardEvent.cpp</a></li>
<li><a href="#trunkSourceWebCoredomKeyboardEventh">trunk/Source/WebCore/dom/KeyboardEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomMouseEventcpp">trunk/Source/WebCore/dom/MouseEvent.cpp</a></li>
<li><a href="#trunkSourceWebCoredomMouseEventh">trunk/Source/WebCore/dom/MouseEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomNodecpp">trunk/Source/WebCore/dom/Node.cpp</a></li>
<li><a href="#trunkSourceWebCoredomTextEventcpp">trunk/Source/WebCore/dom/TextEvent.cpp</a></li>
<li><a href="#trunkSourceWebCoredomTextEventh">trunk/Source/WebCore/dom/TextEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomTouchEventh">trunk/Source/WebCore/dom/TouchEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomUIEventh">trunk/Source/WebCore/dom/UIEvent.h</a></li>
<li><a href="#trunkSourceWebCoredomWheelEventcpp">trunk/Source/WebCore/dom/WheelEvent.cpp</a></li>
<li><a href="#trunkSourceWebCoredomWheelEventh">trunk/Source/WebCore/dom/WheelEvent.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLAnchorElementcpp">trunk/Source/WebCore/html/HTMLAnchorElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLButtonElementcpp">trunk/Source/WebCore/html/HTMLButtonElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLFrameSetElementcpp">trunk/Source/WebCore/html/HTMLFrameSetElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLInputElementcpp">trunk/Source/WebCore/html/HTMLInputElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLSelectElementcpp">trunk/Source/WebCore/html/HTMLSelectElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLSummaryElementcpp">trunk/Source/WebCore/html/HTMLSummaryElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLTextAreaElementcpp">trunk/Source/WebCore/html/HTMLTextAreaElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlImageDocumentcpp">trunk/Source/WebCore/html/ImageDocument.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlInputTypecpp">trunk/Source/WebCore/html/InputType.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlMediaDocumentcpp">trunk/Source/WebCore/html/MediaDocument.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlTextFieldInputTypecpp">trunk/Source/WebCore/html/TextFieldInputType.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowMediaControlElementTypescpp">trunk/Source/WebCore/html/shadow/MediaControlElementTypes.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowMediaControlElementscpp">trunk/Source/WebCore/html/shadow/MediaControlElements.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowMediaControlscpp">trunk/Source/WebCore/html/shadow/MediaControls.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowMediaControlsApplecpp">trunk/Source/WebCore/html/shadow/MediaControlsApple.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowSliderThumbElementcpp">trunk/Source/WebCore/html/shadow/SliderThumbElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowSpinButtonElementcpp">trunk/Source/WebCore/html/shadow/SpinButtonElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowTextControlInnerElementscpp">trunk/Source/WebCore/html/shadow/TextControlInnerElements.cpp</a></li>
<li><a href="#trunkSourceWebCorepageContextMenuControllercpp">trunk/Source/WebCore/page/ContextMenuController.cpp</a></li>
<li><a href="#trunkSourceWebCorepageEventHandlercpp">trunk/Source/WebCore/page/EventHandler.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderEmbeddedObjectcpp">trunk/Source/WebCore/rendering/RenderEmbeddedObject.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderSnapshottedPlugIncpp">trunk/Source/WebCore/rendering/RenderSnapshottedPlugIn.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/ChangeLog        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2014-02-15  Andreas Kling  &lt;akling@apple.com&gt;
+
+        Add checked casts for Event.
+        &lt;https://webkit.org/b/128875&gt;
+
+        Generate casting helpers for casting from Event to various subclasses
+        and go on static_cast replacement spree.
+
+        Reviewed by Sam Weinig.
+
</ins><span class="cx"> 2014-02-15  Ryosuke Niwa  &lt;rniwa@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         HTMLTextFormControlElement::subtreeHasChanged should be called before updating selection
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsJSErrorHandlercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/JSErrorHandler.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/JSErrorHandler.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/bindings/js/JSErrorHandler.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -66,7 +66,7 @@
</span><span class="cx">     if (!scriptExecutionContext)
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    ErrorEvent* errorEvent = static_cast&lt;ErrorEvent*&gt;(event);
</del><ins>+    ErrorEvent* errorEvent = toErrorEvent(event);
</ins><span class="cx"> 
</span><span class="cx">     JSLockHolder lock(scriptExecutionContext-&gt;vm());
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomBeforeTextInsertedEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/BeforeTextInsertedEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/BeforeTextInsertedEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/BeforeTextInsertedEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -51,6 +51,8 @@
</span><span class="cx">     String m_text;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(BeforeTextInsertedEvent)
+
</ins><span class="cx"> } // namespace
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCoredomBeforeUnloadEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/BeforeUnloadEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/BeforeUnloadEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/BeforeUnloadEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -51,11 +51,7 @@
</span><span class="cx">     String m_returnValue;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline BeforeUnloadEvent* toBeforeUnloadEvent(Event* event)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!event || event-&gt;isBeforeUnloadEvent());
-    return static_cast&lt;BeforeUnloadEvent*&gt;(event);
-}
</del><ins>+EVENT_TYPE_CASTS(BeforeUnloadEvent)
</ins><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomErrorEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ErrorEvent.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ErrorEvent.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/ErrorEvent.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -74,4 +74,9 @@
</span><span class="cx">     return ErrorEventInterfaceType;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool ErrorEvent::isErrorEvent() const
+{
+    return true;
+}
+
</ins><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomErrorEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ErrorEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ErrorEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/ErrorEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -73,12 +73,16 @@
</span><span class="cx">     ErrorEvent(const String&amp; message, const String&amp; fileName, unsigned lineNumber, unsigned columnNumber);
</span><span class="cx">     ErrorEvent(const AtomicString&amp;, const ErrorEventInit&amp;);
</span><span class="cx"> 
</span><ins>+    virtual bool isErrorEvent() const override;
+
</ins><span class="cx">     String m_message;
</span><span class="cx">     String m_fileName;
</span><span class="cx">     unsigned m_lineNumber;
</span><span class="cx">     unsigned m_columnNumber;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(ErrorEvent)
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // ErrorEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Event.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Event.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/Event.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -168,6 +168,21 @@
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool Event::isErrorEvent() const
+{
+    return false;
+}
+
+bool Event::isTextEvent() const
+{
+    return false;
+}
+
+bool Event::isWheelEvent() const
+{
+    return false;
+}
+
</ins><span class="cx"> PassRefPtr&lt;Event&gt; Event::cloneFor(HTMLIFrameElement*) const
</span><span class="cx"> {
</span><span class="cx">     return Event::create(type(), bubbles(), cancelable());
</span></span></pre></div>
<a id="trunkSourceWebCoredomEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Event.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Event.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/Event.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -145,6 +145,10 @@
</span><span class="cx"> 
</span><span class="cx">     virtual bool isBeforeUnloadEvent() const;
</span><span class="cx"> 
</span><ins>+    virtual bool isErrorEvent() const;
+    virtual bool isTextEvent() const;
+    virtual bool isWheelEvent() const;
+
</ins><span class="cx">     bool propagationStopped() const { return m_propagationStopped || m_immediatePropagationStopped; }
</span><span class="cx">     bool immediatePropagationStopped() const { return m_immediatePropagationStopped; }
</span><span class="cx"> 
</span><span class="lines">@@ -201,6 +205,10 @@
</span><span class="cx">     RefPtr&lt;Event&gt; m_underlyingEvent;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+#define EVENT_TYPE_CASTS(ToValueTypeName) \
+    TYPE_CASTS_BASE(ToValueTypeName, Event, event, event-&gt;is##ToValueTypeName(), event.is##ToValueTypeName())
+
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // Event_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomFocusEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/FocusEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/FocusEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/FocusEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -70,18 +70,8 @@
</span><span class="cx">     RefPtr&lt;EventTarget&gt; m_relatedTarget;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline FocusEvent* toFocusEvent(Event* event)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(event &amp;&amp; event-&gt;isFocusEvent());
-    return static_cast&lt;FocusEvent*&gt;(event);
-}
</del><ins>+EVENT_TYPE_CASTS(FocusEvent)
</ins><span class="cx"> 
</span><del>-inline FocusEvent&amp; toFocusEvent(Event&amp; event)
-{
-    ASSERT(event.isFocusEvent());
-    return static_cast&lt;FocusEvent&amp;&gt;(event);
-}
-
</del><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // FocusEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomKeyboardEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/KeyboardEvent.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/KeyboardEvent.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/KeyboardEvent.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -207,7 +207,7 @@
</span><span class="cx"> {
</span><span class="cx">     for (Event* e = event; e; e = e-&gt;underlyingEvent())
</span><span class="cx">         if (e-&gt;isKeyboardEvent())
</span><del>-            return static_cast&lt;KeyboardEvent*&gt;(e);
</del><ins>+            return toKeyboardEvent(e);
</ins><span class="cx">     return 0;
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomKeyboardEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/KeyboardEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/KeyboardEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/KeyboardEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -124,6 +124,8 @@
</span><span class="cx"> #endif
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(KeyboardEvent)
+
</ins><span class="cx"> KeyboardEvent* findKeyboardEvent(Event*);
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomMouseEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/MouseEvent.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/MouseEvent.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/MouseEvent.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -277,7 +277,7 @@
</span><span class="cx">     setUnderlyingEvent(underlyingEvent);
</span><span class="cx"> 
</span><span class="cx">     if (this-&gt;underlyingEvent() &amp;&amp; this-&gt;underlyingEvent()-&gt;isMouseEvent()) {
</span><del>-        MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(this-&gt;underlyingEvent());
</del><ins>+        MouseEvent* mouseEvent = toMouseEvent(this-&gt;underlyingEvent());
</ins><span class="cx">         m_screenLocation = mouseEvent-&gt;screenLocation();
</span><span class="cx">         initCoordinates(mouseEvent-&gt;clientLocation());
</span><span class="cx">     } else if (target) {
</span></span></pre></div>
<a id="trunkSourceWebCoredomMouseEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/MouseEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/MouseEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/MouseEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -131,18 +131,8 @@
</span><span class="cx">     SimulatedMouseEvent(const AtomicString&amp; eventType, PassRefPtr&lt;AbstractView&gt;, PassRefPtr&lt;Event&gt; underlyingEvent, Element* target);
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline MouseEvent* toMouseEvent(Event* event)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(event &amp;&amp; event-&gt;isMouseEvent());
-    return static_cast&lt;MouseEvent*&gt;(event);
-}
</del><ins>+EVENT_TYPE_CASTS(MouseEvent)
</ins><span class="cx"> 
</span><del>-inline MouseEvent&amp; toMouseEvent(Event&amp; event)
-{
-    ASSERT(event.isMouseEvent());
-    return static_cast&lt;MouseEvent&amp;&gt;(event);
-}
-
</del><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // MouseEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomNodecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Node.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Node.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/Node.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -2101,9 +2101,9 @@
</span><span class="cx">     if (eventType == eventNames().keydownEvent || eventType == eventNames().keypressEvent) {
</span><span class="cx">         if (event-&gt;isKeyboardEvent())
</span><span class="cx">             if (Frame* frame = document().frame())
</span><del>-                frame-&gt;eventHandler().defaultKeyboardEventHandler(static_cast&lt;KeyboardEvent*&gt;(event));
</del><ins>+                frame-&gt;eventHandler().defaultKeyboardEventHandler(toKeyboardEvent(event));
</ins><span class="cx">     } else if (eventType == eventNames().clickEvent) {
</span><del>-        int detail = event-&gt;isUIEvent() ? static_cast&lt;UIEvent*&gt;(event)-&gt;detail() : 0;
</del><ins>+        int detail = event-&gt;isUIEvent() ? toUIEvent(event)-&gt;detail() : 0;
</ins><span class="cx">         if (dispatchDOMActivateEvent(detail, event))
</span><span class="cx">             event-&gt;setDefaultHandled();
</span><span class="cx"> #if ENABLE(CONTEXT_MENUS)
</span><span class="lines">@@ -2115,11 +2115,10 @@
</span><span class="cx">     } else if (eventType == eventNames().textInputEvent) {
</span><span class="cx">         if (event-&gt;eventInterface() == TextEventInterfaceType)
</span><span class="cx">             if (Frame* frame = document().frame())
</span><del>-                frame-&gt;eventHandler().defaultTextInputEventHandler(static_cast&lt;TextEvent*&gt;(event));
</del><ins>+                frame-&gt;eventHandler().defaultTextInputEventHandler(toTextEvent(event));
</ins><span class="cx"> #if ENABLE(PAN_SCROLLING)
</span><span class="cx">     } else if (eventType == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent()) {
</span><del>-        MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
-        if (mouseEvent-&gt;button() == MiddleButton) {
</del><ins>+        if (toMouseEvent(event)-&gt;button() == MiddleButton) {
</ins><span class="cx">             if (enclosingLinkEventParentOrSelf())
</span><span class="cx">                 return;
</span><span class="cx"> 
</span><span class="lines">@@ -2134,8 +2133,7 @@
</span><span class="cx">         }
</span><span class="cx"> #endif
</span><span class="cx">     } else if ((eventType == eventNames().wheelEvent || eventType == eventNames().mousewheelEvent) &amp;&amp; event-&gt;eventInterface() == WheelEventInterfaceType) {
</span><del>-        WheelEvent* wheelEvent = static_cast&lt;WheelEvent*&gt;(event);
-        
</del><ins>+
</ins><span class="cx">         // If we don't have a renderer, send the wheel event to the first node we find with a renderer.
</span><span class="cx">         // This is needed for &lt;option&gt; and &lt;optgroup&gt; elements so that &lt;select&gt;s get a wheel scroll.
</span><span class="cx">         Node* startNode = this;
</span><span class="lines">@@ -2144,18 +2142,16 @@
</span><span class="cx">         
</span><span class="cx">         if (startNode &amp;&amp; startNode-&gt;renderer())
</span><span class="cx">             if (Frame* frame = document().frame())
</span><del>-                frame-&gt;eventHandler().defaultWheelEventHandler(startNode, wheelEvent);
</del><ins>+                frame-&gt;eventHandler().defaultWheelEventHandler(startNode, toWheelEvent(event));
</ins><span class="cx"> #if ENABLE(TOUCH_EVENTS) &amp;&amp; PLATFORM(IOS)
</span><span class="cx">     } else if (event-&gt;eventInterface() == TouchEventInterfaceType &amp;&amp; eventNames().isTouchEventType(eventType)) {
</span><del>-        TouchEvent* touchEvent = static_cast&lt;TouchEvent*&gt;(event);
-
</del><span class="cx">         RenderObject* renderer = this-&gt;renderer();
</span><span class="cx">         while (renderer &amp;&amp; (!renderer-&gt;isBox() || !toRenderBox(renderer)-&gt;canBeScrolledAndHasScrollableArea()))
</span><span class="cx">             renderer = renderer-&gt;parent();
</span><span class="cx"> 
</span><span class="cx">         if (renderer &amp;&amp; renderer-&gt;node()) {
</span><span class="cx">             if (Frame* frame = document().frame())
</span><del>-                frame-&gt;eventHandler().defaultTouchEventHandler(renderer-&gt;node(), touchEvent);
</del><ins>+                frame-&gt;eventHandler().defaultTouchEventHandler(renderer-&gt;node(), toTouchEvent(touchEvent));
</ins><span class="cx">         }
</span><span class="cx"> #endif
</span><span class="cx">     } else if (event-&gt;type() == eventNames().webkitEditableContentChangedEvent) {
</span></span></pre></div>
<a id="trunkSourceWebCoredomTextEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/TextEvent.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/TextEvent.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/TextEvent.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -118,4 +118,9 @@
</span><span class="cx">     return TextEventInterfaceType;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool TextEvent::isTextEvent() const
+{
+    return true;
+}
+
</ins><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomTextEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/TextEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/TextEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/TextEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -73,6 +73,8 @@
</span><span class="cx">                   bool shouldSmartReplace, bool shouldMatchStyle);
</span><span class="cx">         TextEvent(PassRefPtr&lt;AbstractView&gt;, const String&amp; data, const Vector&lt;DictationAlternative&gt;&amp; dictationAlternatives);
</span><span class="cx"> 
</span><ins>+        virtual bool isTextEvent() const override;
+
</ins><span class="cx">         TextEventInputType m_inputType;
</span><span class="cx">         String m_data;
</span><span class="cx"> 
</span><span class="lines">@@ -82,6 +84,8 @@
</span><span class="cx">         Vector&lt;DictationAlternative&gt; m_dictationAlternatives;
</span><span class="cx">     };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(TextEvent)
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // TextEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomTouchEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/TouchEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/TouchEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/TouchEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -86,18 +86,8 @@
</span><span class="cx">     RefPtr&lt;TouchList&gt; m_changedTouches;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline TouchEvent* toTouchEvent(Event* event)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(event &amp;&amp; event-&gt;isTouchEvent());
-    return static_cast&lt;TouchEvent*&gt;(event);
-}
</del><ins>+EVENT_TYPE_CASTS(TouchEvent)
</ins><span class="cx"> 
</span><del>-inline TouchEvent&amp; toTouchEvent(Event&amp; event)
-{
-    ASSERT(event.isTouchEvent());
-    return static_cast&lt;TouchEvent&amp;&gt;(event);
-}
-
</del><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(TOUCH_EVENTS)
</span></span></pre></div>
<a id="trunkSourceWebCoredomUIEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/UIEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/UIEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/UIEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -85,6 +85,8 @@
</span><span class="cx">     int m_detail;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(UIEvent)
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // UIEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCoredomWheelEventcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/WheelEvent.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/WheelEvent.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/WheelEvent.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -124,4 +124,9 @@
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool WheelEvent::isWheelEvent() const
+{
+    return true;
+}
+
</ins><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomWheelEventh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/WheelEvent.h (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/WheelEvent.h        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/dom/WheelEvent.h        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -102,6 +102,8 @@
</span><span class="cx">         unsigned, PassRefPtr&lt;AbstractView&gt;, const IntPoint&amp; screenLocation, const IntPoint&amp; pageLocation,
</span><span class="cx">         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice, double timestamp);
</span><span class="cx"> 
</span><ins>+    virtual bool isWheelEvent() const override;
+
</ins><span class="cx">     IntPoint m_wheelDelta;
</span><span class="cx">     double m_deltaX;
</span><span class="cx">     double m_deltaY;
</span><span class="lines">@@ -110,6 +112,8 @@
</span><span class="cx">     bool m_directionInvertedFromDevice;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+EVENT_TYPE_CASTS(WheelEvent)
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // WheelEvent_h
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLAnchorElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLAnchorElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLAnchorElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLAnchorElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -168,7 +168,7 @@
</span><span class="cx">     RenderImage* renderer = toRenderImage(imageElement-&gt;renderer());
</span><span class="cx"> 
</span><span class="cx">     // FIXME: This should probably pass true for useTransforms.
</span><del>-    FloatPoint absolutePosition = renderer-&gt;absoluteToLocal(FloatPoint(static_cast&lt;MouseEvent*&gt;(event)-&gt;pageX(), static_cast&lt;MouseEvent*&gt;(event)-&gt;pageY()));
</del><ins>+    FloatPoint absolutePosition = renderer-&gt;absoluteToLocal(FloatPoint(toMouseEvent(event)-&gt;pageX(), toMouseEvent(event)-&gt;pageY()));
</ins><span class="cx">     int x = absolutePosition.x();
</span><span class="cx">     int y = absolutePosition.y();
</span><span class="cx">     url.append('?');
</span><span class="lines">@@ -194,9 +194,9 @@
</span><span class="cx">         if (hasEditableStyle()) {
</span><span class="cx">             // This keeps track of the editable block that the selection was in (if it was in one) just before the link was clicked
</span><span class="cx">             // for the LiveWhenNotFocused editable link behavior
</span><del>-            if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() != RightButton &amp;&amp; document().frame()) {
</del><ins>+            if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() != RightButton &amp;&amp; document().frame()) {
</ins><span class="cx">                 setRootEditableElementForSelectionOnMouseDown(document().frame()-&gt;selection().selection().rootEditableElement());
</span><del>-                m_wasShiftKeyDownOnMouseDown = static_cast&lt;MouseEvent*&gt;(event)-&gt;shiftKey();
</del><ins>+                m_wasShiftKeyDownOnMouseDown = toMouseEvent(event)-&gt;shiftKey();
</ins><span class="cx">             } else if (event-&gt;type() == eventNames().mouseoverEvent) {
</span><span class="cx">                 // These are cleared on mouseover and not mouseout because their values are needed for drag events,
</span><span class="cx">                 // but drag events happen after mouse out events.
</span><span class="lines">@@ -556,7 +556,7 @@
</span><span class="cx"> {
</span><span class="cx">     if (!event-&gt;isMouseEvent())
</span><span class="cx">         return NonMouseEvent;
</span><del>-    return static_cast&lt;MouseEvent*&gt;(event)-&gt;shiftKey() ? MouseEventWithShiftKey : MouseEventWithoutShiftKey;
</del><ins>+    return toMouseEvent(event)-&gt;shiftKey() ? MouseEventWithShiftKey : MouseEventWithoutShiftKey;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool HTMLAnchorElement::treatLinkAsLiveForEventType(EventType eventType) const
</span><span class="lines">@@ -591,12 +591,12 @@
</span><span class="cx"> 
</span><span class="cx"> bool isEnterKeyKeydownEvent(Event* event)
</span><span class="cx"> {
</span><del>-    return event-&gt;type() == eventNames().keydownEvent &amp;&amp; event-&gt;isKeyboardEvent() &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier() == &quot;Enter&quot;;
</del><ins>+    return event-&gt;type() == eventNames().keydownEvent &amp;&amp; event-&gt;isKeyboardEvent() &amp;&amp; toKeyboardEvent(event)-&gt;keyIdentifier() == &quot;Enter&quot;;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool isLinkClick(Event* event)
</span><span class="cx"> {
</span><del>-    return event-&gt;type() == eventNames().clickEvent &amp;&amp; (!event-&gt;isMouseEvent() || static_cast&lt;MouseEvent*&gt;(event)-&gt;button() != RightButton);
</del><ins>+    return event-&gt;type() == eventNames().clickEvent &amp;&amp; (!event-&gt;isMouseEvent() || toMouseEvent(event)-&gt;button() != RightButton);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool shouldProhibitLinks(Element* element)
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLButtonElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLButtonElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLButtonElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLButtonElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -124,13 +124,13 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (event-&gt;isKeyboardEvent()) {
</span><del>-        if (event-&gt;type() == eventNames().keydownEvent &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</del><ins>+        if (event-&gt;type() == eventNames().keydownEvent &amp;&amp; toKeyboardEvent(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</ins><span class="cx">             setActive(true, true);
</span><span class="cx">             // No setDefaultHandled() - IE dispatches a keypress in this case.
</span><span class="cx">             return;
</span><span class="cx">         }
</span><span class="cx">         if (event-&gt;type() == eventNames().keypressEvent) {
</span><del>-            switch (static_cast&lt;KeyboardEvent*&gt;(event)-&gt;charCode()) {
</del><ins>+            switch (toKeyboardEvent(event)-&gt;charCode()) {
</ins><span class="cx">                 case '\r':
</span><span class="cx">                     dispatchSimulatedClick(event);
</span><span class="cx">                     event-&gt;setDefaultHandled();
</span><span class="lines">@@ -141,7 +141,7 @@
</span><span class="cx">                     return;
</span><span class="cx">             }
</span><span class="cx">         }
</span><del>-        if (event-&gt;type() == eventNames().keyupEvent &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</del><ins>+        if (event-&gt;type() == eventNames().keyupEvent &amp;&amp; toKeyboardEvent(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</ins><span class="cx">             if (active())
</span><span class="cx">                 dispatchSimulatedClick(event);
</span><span class="cx">             event-&gt;setDefaultHandled();
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLFrameSetElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLFrameSetElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLFrameSetElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLFrameSetElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -190,7 +190,7 @@
</span><span class="cx"> void HTMLFrameSetElement::defaultEventHandler(Event* evt)
</span><span class="cx"> {
</span><span class="cx">     if (evt-&gt;isMouseEvent() &amp;&amp; !m_noresize &amp;&amp; renderer() &amp;&amp; renderer()-&gt;isFrameSet()) {
</span><del>-        if (toRenderFrameSet(renderer())-&gt;userResize(static_cast&lt;MouseEvent*&gt;(evt))) {
</del><ins>+        if (toRenderFrameSet(renderer())-&gt;userResize(toMouseEvent(evt))) {
</ins><span class="cx">             evt-&gt;setDefaultHandled();
</span><span class="cx">             return;
</span><span class="cx">         }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLInputElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLInputElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLInputElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLInputElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -1101,22 +1101,22 @@
</span><span class="cx"> 
</span><span class="cx"> void HTMLInputElement::defaultEventHandler(Event* evt)
</span><span class="cx"> {
</span><del>-    if (evt-&gt;isMouseEvent() &amp;&amp; evt-&gt;type() == eventNames().clickEvent &amp;&amp; static_cast&lt;MouseEvent*&gt;(evt)-&gt;button() == LeftButton) {
-        m_inputType-&gt;handleClickEvent(static_cast&lt;MouseEvent*&gt;(evt));
</del><ins>+    if (evt-&gt;isMouseEvent() &amp;&amp; evt-&gt;type() == eventNames().clickEvent &amp;&amp; toMouseEvent(evt)-&gt;button() == LeftButton) {
+        m_inputType-&gt;handleClickEvent(toMouseEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(TOUCH_EVENTS)
</span><span class="cx">     if (evt-&gt;isTouchEvent()) {
</span><del>-        m_inputType-&gt;handleTouchEvent(static_cast&lt;TouchEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleTouchEvent(toTouchEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     if (evt-&gt;isKeyboardEvent() &amp;&amp; evt-&gt;type() == eventNames().keydownEvent) {
</span><del>-        m_inputType-&gt;handleKeydownEvent(static_cast&lt;KeyboardEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleKeydownEvent(toKeyboardEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span><span class="lines">@@ -1143,13 +1143,13 @@
</span><span class="cx">     // Use key press event here since sending simulated mouse events
</span><span class="cx">     // on key down blocks the proper sending of the key press event.
</span><span class="cx">     if (evt-&gt;isKeyboardEvent() &amp;&amp; evt-&gt;type() == eventNames().keypressEvent) {
</span><del>-        m_inputType-&gt;handleKeypressEvent(static_cast&lt;KeyboardEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleKeypressEvent(toKeyboardEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (evt-&gt;isKeyboardEvent() &amp;&amp; evt-&gt;type() == eventNames().keyupEvent) {
</span><del>-        m_inputType-&gt;handleKeyupEvent(static_cast&lt;KeyboardEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleKeyupEvent(toKeyboardEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span><span class="lines">@@ -1174,10 +1174,10 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (evt-&gt;isBeforeTextInsertedEvent())
</span><del>-        m_inputType-&gt;handleBeforeTextInsertedEvent(static_cast&lt;BeforeTextInsertedEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleBeforeTextInsertedEvent(toBeforeTextInsertedEvent(evt));
</ins><span class="cx"> 
</span><span class="cx">     if (evt-&gt;isMouseEvent() &amp;&amp; evt-&gt;type() == eventNames().mousedownEvent) {
</span><del>-        m_inputType-&gt;handleMouseDownEvent(static_cast&lt;MouseEvent*&gt;(evt));
</del><ins>+        m_inputType-&gt;handleMouseDownEvent(toMouseEvent(evt));
</ins><span class="cx">         if (evt-&gt;defaultHandled())
</span><span class="cx">             return;
</span><span class="cx">     }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLSelectElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLSelectElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLSelectElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLSelectElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -1149,7 +1149,7 @@
</span><span class="cx">         if (!event-&gt;isKeyboardEvent())
</span><span class="cx">             return;
</span><span class="cx"> 
</span><del>-        if (platformHandleKeydownEvent(static_cast&lt;KeyboardEvent*&gt;(event)))
</del><ins>+        if (platformHandleKeydownEvent(toKeyboardEvent(event)))
</ins><span class="cx">             return;
</span><span class="cx"> 
</span><span class="cx">         // When using spatial navigation, we want to be able to navigate away
</span><span class="lines">@@ -1160,7 +1160,7 @@
</span><span class="cx">                 return;
</span><span class="cx">         }
</span><span class="cx"> 
</span><del>-        const String&amp; keyIdentifier = static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier();
</del><ins>+        const String&amp; keyIdentifier = toKeyboardEvent(event)-&gt;keyIdentifier();
</ins><span class="cx">         bool handled = true;
</span><span class="cx">         const Vector&lt;HTMLElement*&gt;&amp; listItems = this-&gt;listItems();
</span><span class="cx">         int listIndex = optionToListIndex(selectedIndex());
</span><span class="lines">@@ -1201,7 +1201,7 @@
</span><span class="cx">         if (!event-&gt;isKeyboardEvent())
</span><span class="cx">             return;
</span><span class="cx"> 
</span><del>-        int keyCode = static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyCode();
</del><ins>+        int keyCode = toKeyboardEvent(event)-&gt;keyCode();
</ins><span class="cx">         bool handled = false;
</span><span class="cx"> 
</span><span class="cx">         if (keyCode == ' ' &amp;&amp; isSpatialNavigationEnabled(document().frame())) {
</span><span class="lines">@@ -1256,7 +1256,7 @@
</span><span class="cx">             event-&gt;setDefaultHandled();
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         focus();
</span><span class="cx"> #if !PLATFORM(IOS)
</span><span class="cx">         if (renderer() &amp;&amp; renderer()-&gt;isMenuList()) {
</span><span class="lines">@@ -1339,14 +1339,14 @@
</span><span class="cx"> {
</span><span class="cx">     const Vector&lt;HTMLElement*&gt;&amp; listItems = this-&gt;listItems();
</span><span class="cx"> 
</span><del>-    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         focus();
</span><span class="cx">         // Calling focus() may cause us to lose our renderer, in which case do not want to handle the event.
</span><span class="cx">         if (!renderer())
</span><span class="cx">             return;
</span><span class="cx"> 
</span><span class="cx">         // Convert to coords relative to the list box if needed.
</span><del>-        MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+        MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">         IntPoint localOffset = roundedIntPoint(renderer()-&gt;absoluteToLocal(mouseEvent-&gt;absoluteLocation(), UseTransforms));
</span><span class="cx">         int listIndex = toRenderListBox(renderer())-&gt;listIndexAtOffset(toIntSize(localOffset));
</span><span class="cx">         if (listIndex &gt;= 0) {
</span><span class="lines">@@ -1363,7 +1363,7 @@
</span><span class="cx">             event-&gt;setDefaultHandled();
</span><span class="cx">         }
</span><span class="cx">     } else if (event-&gt;type() == eventNames().mousemoveEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; !toRenderBox(renderer())-&gt;canBeScrolledAndHasScrollableArea()) {
</span><del>-        MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+        MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">         if (mouseEvent-&gt;button() != LeftButton || !mouseEvent-&gt;buttonDown())
</span><span class="cx">             return;
</span><span class="cx"> 
</span><span class="lines">@@ -1386,7 +1386,7 @@
</span><span class="cx">             }
</span><span class="cx">             event-&gt;setDefaultHandled();
</span><span class="cx">         }
</span><del>-    } else if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton &amp;&amp; document().frame()-&gt;eventHandler().autoscrollRenderer() != renderer()) {
</del><ins>+    } else if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton &amp;&amp; document().frame()-&gt;eventHandler().autoscrollRenderer() != renderer()) {
</ins><span class="cx">         // This click or drag event was not over any of the options.
</span><span class="cx">         if (m_lastOnChangeSelection.isEmpty())
</span><span class="cx">             return;
</span><span class="lines">@@ -1397,7 +1397,7 @@
</span><span class="cx">     } else if (event-&gt;type() == eventNames().keydownEvent) {
</span><span class="cx">         if (!event-&gt;isKeyboardEvent())
</span><span class="cx">             return;
</span><del>-        const String&amp; keyIdentifier = static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier();
</del><ins>+        const String&amp; keyIdentifier = toKeyboardEvent(event)-&gt;keyIdentifier();
</ins><span class="cx"> 
</span><span class="cx">         bool handled = false;
</span><span class="cx">         int endIndex = 0;
</span><span class="lines">@@ -1459,15 +1459,15 @@
</span><span class="cx"> #if PLATFORM(COCOA)
</span><span class="cx">             m_allowsNonContiguousSelection = m_multiple &amp;&amp; isSpatialNavigationEnabled(document().frame());
</span><span class="cx"> #else
</span><del>-            m_allowsNonContiguousSelection = m_multiple &amp;&amp; (isSpatialNavigationEnabled(document().frame()) || static_cast&lt;KeyboardEvent*&gt;(event)-&gt;ctrlKey());
</del><ins>+            m_allowsNonContiguousSelection = m_multiple &amp;&amp; (isSpatialNavigationEnabled(document().frame()) || toKeyboardEvent(event)-&gt;ctrlKey());
</ins><span class="cx"> #endif
</span><del>-            bool selectNewItem = static_cast&lt;KeyboardEvent*&gt;(event)-&gt;shiftKey() || !m_allowsNonContiguousSelection;
</del><ins>+            bool selectNewItem = toKeyboardEvent(event)-&gt;shiftKey() || !m_allowsNonContiguousSelection;
</ins><span class="cx"> 
</span><span class="cx">             if (selectNewItem)
</span><span class="cx">                 m_activeSelectionState = true;
</span><span class="cx">             // If the anchor is unitialized, or if we're going to deselect all
</span><span class="cx">             // other options, then set the anchor index equal to the end index.
</span><del>-            bool deselectOthers = !m_multiple || (!static_cast&lt;KeyboardEvent*&gt;(event)-&gt;shiftKey() &amp;&amp; selectNewItem);
</del><ins>+            bool deselectOthers = !m_multiple || (!toKeyboardEvent(event)-&gt;shiftKey() &amp;&amp; selectNewItem);
</ins><span class="cx">             if (m_activeSelectionAnchorIndex &lt; 0 || deselectOthers) {
</span><span class="cx">                 if (deselectOthers)
</span><span class="cx">                     deselectItemsWithoutValidation();
</span><span class="lines">@@ -1486,7 +1486,7 @@
</span><span class="cx">     } else if (event-&gt;type() == eventNames().keypressEvent) {
</span><span class="cx">         if (!event-&gt;isKeyboardEvent())
</span><span class="cx">             return;
</span><del>-        int keyCode = static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyCode();
</del><ins>+        int keyCode = toKeyboardEvent(event)-&gt;keyCode();
</ins><span class="cx"> 
</span><span class="cx">         if (keyCode == '\r') {
</span><span class="cx">             if (form())
</span><span class="lines">@@ -1527,7 +1527,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (event-&gt;type() == eventNames().keypressEvent &amp;&amp; event-&gt;isKeyboardEvent()) {
</span><del>-        KeyboardEvent* keyboardEvent = static_cast&lt;KeyboardEvent*&gt;(event);
</del><ins>+        KeyboardEvent* keyboardEvent = toKeyboardEvent(event);
</ins><span class="cx">         if (!keyboardEvent-&gt;ctrlKey() &amp;&amp; !keyboardEvent-&gt;altKey() &amp;&amp; !keyboardEvent-&gt;metaKey() &amp;&amp; u_isprint(keyboardEvent-&gt;charCode())) {
</span><span class="cx">             typeAheadFind(keyboardEvent);
</span><span class="cx">             event-&gt;setDefaultHandled();
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLSummaryElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLSummaryElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLSummaryElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLSummaryElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -126,13 +126,13 @@
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         if (event-&gt;isKeyboardEvent()) {
</span><del>-            if (event-&gt;type() == eventNames().keydownEvent &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</del><ins>+            if (event-&gt;type() == eventNames().keydownEvent &amp;&amp; toKeyboardEvent(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</ins><span class="cx">                 setActive(true, true);
</span><span class="cx">                 // No setDefaultHandled() - IE dispatches a keypress in this case.
</span><span class="cx">                 return;
</span><span class="cx">             }
</span><span class="cx">             if (event-&gt;type() == eventNames().keypressEvent) {
</span><del>-                switch (static_cast&lt;KeyboardEvent*&gt;(event)-&gt;charCode()) {
</del><ins>+                switch (toKeyboardEvent(event)-&gt;charCode()) {
</ins><span class="cx">                 case '\r':
</span><span class="cx">                     dispatchSimulatedClick(event);
</span><span class="cx">                     event-&gt;setDefaultHandled();
</span><span class="lines">@@ -143,7 +143,7 @@
</span><span class="cx">                     return;
</span><span class="cx">                 }
</span><span class="cx">             }
</span><del>-            if (event-&gt;type() == eventNames().keyupEvent &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</del><ins>+            if (event-&gt;type() == eventNames().keyupEvent &amp;&amp; toKeyboardEvent(event)-&gt;keyIdentifier() == &quot;U+0020&quot;) {
</ins><span class="cx">                 if (active())
</span><span class="cx">                     dispatchSimulatedClick(event);
</span><span class="cx">                 event-&gt;setDefaultHandled();
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLTextAreaElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLTextAreaElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLTextAreaElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/HTMLTextAreaElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -269,7 +269,7 @@
</span><span class="cx">     if (renderer() &amp;&amp; (event-&gt;isMouseEvent() || event-&gt;isDragEvent() || event-&gt;eventInterface() == WheelEventInterfaceType || event-&gt;type() == eventNames().blurEvent))
</span><span class="cx">         forwardEvent(event);
</span><span class="cx">     else if (renderer() &amp;&amp; event-&gt;isBeforeTextInsertedEvent())
</span><del>-        handleBeforeTextInsertedEvent(static_cast&lt;BeforeTextInsertedEvent*&gt;(event));
</del><ins>+        handleBeforeTextInsertedEvent(toBeforeTextInsertedEvent(event));
</ins><span class="cx"> 
</span><span class="cx">     HTMLTextFormControlElement::defaultEventHandler(event);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlImageDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/ImageDocument.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/ImageDocument.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/ImageDocument.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -417,7 +417,7 @@
</span><span class="cx">     if (event-&gt;type() == eventNames().resizeEvent)
</span><span class="cx">         m_doc-&gt;windowSizeChanged();
</span><span class="cx">     else if (event-&gt;type() == eventNames().clickEvent &amp;&amp; event-&gt;isMouseEvent()) {
</span><del>-        MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+        MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">         m_doc-&gt;imageClicked(mouseEvent-&gt;x(), mouseEvent-&gt;y());
</span><span class="cx">     }
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlInputTypecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/InputType.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/InputType.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/InputType.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -470,7 +470,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool InputType::shouldSubmitImplicitly(Event* event)
</span><span class="cx"> {
</span><del>-    return event-&gt;isKeyboardEvent() &amp;&amp; event-&gt;type() == eventNames().keypressEvent &amp;&amp; static_cast&lt;KeyboardEvent*&gt;(event)-&gt;charCode() == '\r';
</del><ins>+    return event-&gt;isKeyboardEvent() &amp;&amp; event-&gt;type() == eventNames().keypressEvent &amp;&amp; toKeyboardEvent(event)-&gt;charCode() == '\r';
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> PassRefPtr&lt;HTMLFormElement&gt; InputType::formForSubmission() const
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlMediaDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/MediaDocument.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/MediaDocument.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/MediaDocument.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -187,7 +187,7 @@
</span><span class="cx">         if (!video)
</span><span class="cx">             return;
</span><span class="cx"> 
</span><del>-        KeyboardEvent* keyboardEvent = static_cast&lt;KeyboardEvent*&gt;(event);
</del><ins>+        KeyboardEvent* keyboardEvent = toKeyboardEvent(event);
</ins><span class="cx">         if (keyboardEvent-&gt;keyIdentifier() == &quot;U+0020&quot;) { // space
</span><span class="cx">             if (video-&gt;paused()) {
</span><span class="cx">                 if (video-&gt;canPlay())
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlTextFieldInputTypecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/TextFieldInputType.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/TextFieldInputType.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/TextFieldInputType.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -202,7 +202,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool TextFieldInputType::shouldSubmitImplicitly(Event* event)
</span><span class="cx"> {
</span><del>-    return (event-&gt;type() == eventNames().textInputEvent &amp;&amp; event-&gt;eventInterface() == TextEventInterfaceType &amp;&amp; static_cast&lt;TextEvent*&gt;(event)-&gt;data() == &quot;\n&quot;) || InputType::shouldSubmitImplicitly(event);
</del><ins>+    return (event-&gt;type() == eventNames().textInputEvent &amp;&amp; event-&gt;eventInterface() == TextEventInterfaceType &amp;&amp; toTextEvent(event)-&gt;data() == &quot;\n&quot;) || InputType::shouldSubmitImplicitly(event);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> RenderPtr&lt;RenderElement&gt; TextFieldInputType::createInputRenderer(PassRef&lt;RenderStyle&gt; style)
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowMediaControlElementTypescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/MediaControlElementTypes.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/MediaControlElementTypes.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/MediaControlElementTypes.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -255,7 +255,7 @@
</span><span class="cx"> void MediaControlVolumeSliderElement::defaultEventHandler(Event* event)
</span><span class="cx"> {
</span><span class="cx">     // Left button is 0. Rejects mouse events not from left button.
</span><del>-    if (event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button())
</del><ins>+    if (event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button())
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (!renderer())
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowMediaControlElementscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/MediaControlElements.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/MediaControlElements.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/MediaControlElements.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -225,7 +225,7 @@
</span><span class="cx">     MediaControlDivElement::defaultEventHandler(event);
</span><span class="cx"> 
</span><span class="cx">     if (event-&gt;isMouseEvent()) {
</span><del>-        LayoutPoint location = static_cast&lt;MouseEvent*&gt;(event)-&gt;absoluteLocation();
</del><ins>+        LayoutPoint location = toMouseEvent(event)-&gt;absoluteLocation();
</ins><span class="cx">         if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;target() == this) {
</span><span class="cx">             startDrag(location);
</span><span class="cx">             event-&gt;setDefaultHandled();
</span><span class="lines">@@ -362,7 +362,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     // Poor man's mouseleave event detection.
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+    MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">     EventTarget* relatedTarget = mouseEvent-&gt;relatedTarget();
</span><span class="cx">     if (!relatedTarget || !relatedTarget-&gt;toNode())
</span><span class="cx">         return;
</span><span class="lines">@@ -939,7 +939,7 @@
</span><span class="cx"> void MediaControlTimelineElement::defaultEventHandler(Event* event)
</span><span class="cx"> {
</span><span class="cx">     // Left button is 0. Rejects mouse events not from left button.
</span><del>-    if (event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button())
</del><ins>+    if (event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button())
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (!renderer())
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowMediaControlscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/MediaControls.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/MediaControls.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/MediaControls.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -373,7 +373,7 @@
</span><span class="cx"> {
</span><span class="cx">     if (!event-&gt;isMouseEvent())
</span><span class="cx">         return false;
</span><del>-    EventTarget* relatedTarget = static_cast&lt;MouseEvent*&gt;(event)-&gt;relatedTarget();
</del><ins>+    EventTarget* relatedTarget = toMouseEvent(event)-&gt;relatedTarget();
</ins><span class="cx">     if (!relatedTarget)
</span><span class="cx">         return false;
</span><span class="cx">     return contains(relatedTarget-&gt;toNode());
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowMediaControlsApplecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/MediaControlsApple.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/MediaControlsApple.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/MediaControlsApple.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -589,7 +589,7 @@
</span><span class="cx">     if (event-&gt;type() == eventNames().clickEvent)
</span><span class="cx">         m_mediaControls-&gt;handleClickEvent(event);
</span><span class="cx">     else if ((event-&gt;type() == eventNames().wheelEvent || event-&gt;type() == eventNames().mousewheelEvent) &amp;&amp; event-&gt;eventInterface() == WheelEventInterfaceType) {
</span><del>-        WheelEvent* wheelEvent = static_cast&lt;WheelEvent*&gt;(event);
</del><ins>+        WheelEvent* wheelEvent = toWheelEvent(event);
</ins><span class="cx">         if (m_mediaControls-&gt;shouldClosedCaptionsContainerPreventPageScrolling(wheelEvent-&gt;wheelDeltaY()))
</span><span class="cx">             event-&gt;preventDefault();
</span><span class="cx">     }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowSliderThumbElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/SliderThumbElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/SliderThumbElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/SliderThumbElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -350,7 +350,7 @@
</span><span class="cx">         return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+    MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">     bool isLeftButton = mouseEvent-&gt;button() == LeftButton;
</span><span class="cx">     const AtomicString&amp; eventType = event-&gt;type();
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowSpinButtonElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/SpinButtonElement.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/SpinButtonElement.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/SpinButtonElement.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -91,7 +91,7 @@
</span><span class="cx">         return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+    MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">     IntPoint local = roundedIntPoint(box-&gt;absoluteToLocal(mouseEvent-&gt;absoluteLocation(), UseTransforms));
</span><span class="cx">     if (mouseEvent-&gt;type() == eventNames().mousedownEvent &amp;&amp; mouseEvent-&gt;button() == LeftButton) {
</span><span class="cx">         if (box-&gt;pixelSnappedBorderBoxRect().contains(local)) {
</span><span class="lines">@@ -160,7 +160,7 @@
</span><span class="cx">     if (!m_spinButtonOwner-&gt;shouldSpinButtonRespondToWheelEvents())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    doStepAction(static_cast&lt;WheelEvent*&gt;(event)-&gt;wheelDeltaY());
</del><ins>+    doStepAction(toWheelEvent(event)-&gt;wheelDeltaY());
</ins><span class="cx">     event-&gt;setDefaultHandled();
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowTextControlInnerElementscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/TextControlInnerElements.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/TextControlInnerElements.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/html/shadow/TextControlInnerElements.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -162,7 +162,7 @@
</span><span class="cx"> {
</span><span class="cx">     // On mousedown, bring up a menu, if needed
</span><span class="cx">     HTMLInputElement* input = toHTMLInputElement(shadowHost());
</span><del>-    if (input &amp;&amp; event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (input &amp;&amp; event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         input-&gt;focus();
</span><span class="cx">         input-&gt;select();
</span><span class="cx"> #if !PLATFORM(IOS)
</span><span class="lines">@@ -224,7 +224,7 @@
</span><span class="cx">         return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         if (renderer() &amp;&amp; renderer()-&gt;visibleToHitTesting()) {
</span><span class="cx">             if (Frame* frame = document().frame()) {
</span><span class="cx">                 frame-&gt;eventHandler().setCapturingMouseEventsElement(this);
</span><span class="lines">@@ -235,7 +235,7 @@
</span><span class="cx">         input-&gt;select();
</span><span class="cx">         event-&gt;setDefaultHandled();
</span><span class="cx">     }
</span><del>-    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         if (m_capturing) {
</span><span class="cx">             if (Frame* frame = document().frame()) {
</span><span class="cx">                 frame-&gt;eventHandler().setCapturingMouseEventsElement(nullptr);
</span><span class="lines">@@ -313,7 +313,7 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     // On mouse down, select the text and set focus.
</span><del>-    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         if (renderer() &amp;&amp; renderer()-&gt;visibleToHitTesting()) {
</span><span class="cx">             if (Frame* frame = document().frame()) {
</span><span class="cx">                 frame-&gt;eventHandler().setCapturingMouseEventsElement(this);
</span><span class="lines">@@ -326,7 +326,7 @@
</span><span class="cx">         event-&gt;setDefaultHandled();
</span><span class="cx">     }
</span><span class="cx">     // On mouse up, release capture cleanly.
</span><del>-    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; event-&gt;isMouseEvent() &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         if (m_capturing &amp;&amp; renderer() &amp;&amp; renderer()-&gt;visibleToHitTesting()) {
</span><span class="cx">             if (Frame* frame = document().frame()) {
</span><span class="cx">                 frame-&gt;eventHandler().setCapturingMouseEventsElement(nullptr);
</span></span></pre></div>
<a id="trunkSourceWebCorepageContextMenuControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/ContextMenuController.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ContextMenuController.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/page/ContextMenuController.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -135,11 +135,11 @@
</span><span class="cx">     if (!event-&gt;isMouseEvent())
</span><span class="cx">         return nullptr;
</span><span class="cx"> 
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
-    HitTestResult result(mouseEvent-&gt;absoluteLocation());
</del><ins>+    MouseEvent&amp; mouseEvent = toMouseEvent(*event);
+    HitTestResult result(mouseEvent.absoluteLocation());
</ins><span class="cx"> 
</span><span class="cx">     if (Frame* frame = event-&gt;target()-&gt;toNode()-&gt;document().frame())
</span><del>-        result = frame-&gt;eventHandler().hitTestResultAtPoint(mouseEvent-&gt;absoluteLocation());
</del><ins>+        result = frame-&gt;eventHandler().hitTestResultAtPoint(mouseEvent.absoluteLocation());
</ins><span class="cx"> 
</span><span class="cx">     if (!result.innerNonSharedNode())
</span><span class="cx">         return nullptr;
</span></span></pre></div>
<a id="trunkSourceWebCorepageEventHandlercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/EventHandler.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/EventHandler.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/page/EventHandler.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -3257,7 +3257,7 @@
</span><span class="cx"> {
</span><span class="cx">     // Platforms should differentiate real commands like selectAll from text input in disguise (like insertNewline),
</span><span class="cx">     // and avoid dispatching text input events from keydown default handlers.
</span><del>-    ASSERT(!underlyingEvent || !underlyingEvent-&gt;isKeyboardEvent() || static_cast&lt;KeyboardEvent*&gt;(underlyingEvent)-&gt;type() == eventNames().keypressEvent);
</del><ins>+    ASSERT(!underlyingEvent || !underlyingEvent-&gt;isKeyboardEvent() || toKeyboardEvent(underlyingEvent)-&gt;type() == eventNames().keypressEvent);
</ins><span class="cx"> 
</span><span class="cx">     EventTarget* target;
</span><span class="cx">     if (underlyingEvent)
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderEmbeddedObjectcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderEmbeddedObject.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderEmbeddedObject.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/rendering/RenderEmbeddedObject.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -608,9 +608,9 @@
</span><span class="cx">     if (!event-&gt;isMouseEvent())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+    MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx">     HTMLPlugInElement&amp; element = toHTMLPlugInElement(frameOwnerElement());
</span><del>-    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mousedownEvent &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         m_mouseDownWasInUnavailablePluginIndicator = isInUnavailablePluginIndicator(mouseEvent);
</span><span class="cx">         if (m_mouseDownWasInUnavailablePluginIndicator) {
</span><span class="cx">             frame().eventHandler().setCapturingMouseEventsElement(&amp;element);
</span><span class="lines">@@ -619,7 +619,7 @@
</span><span class="cx">         }
</span><span class="cx">         event-&gt;setDefaultHandled();
</span><span class="cx">     }
</span><del>-    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; static_cast&lt;MouseEvent*&gt;(event)-&gt;button() == LeftButton) {
</del><ins>+    if (event-&gt;type() == eventNames().mouseupEvent &amp;&amp; toMouseEvent(event)-&gt;button() == LeftButton) {
</ins><span class="cx">         if (m_unavailablePluginIndicatorIsPressed) {
</span><span class="cx">             frame().eventHandler().setCapturingMouseEventsElement(nullptr);
</span><span class="cx">             element.setIsCapturingMouseEvents(false);
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderSnapshottedPlugIncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderSnapshottedPlugIn.cpp (164183 => 164184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderSnapshottedPlugIn.cpp        2014-02-16 00:36:36 UTC (rev 164183)
+++ trunk/Source/WebCore/rendering/RenderSnapshottedPlugIn.cpp        2014-02-16 02:01:04 UTC (rev 164184)
</span><span class="lines">@@ -156,7 +156,7 @@
</span><span class="cx">     if (!event-&gt;isMouseEvent())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    MouseEvent* mouseEvent = static_cast&lt;MouseEvent*&gt;(event);
</del><ins>+    MouseEvent* mouseEvent = toMouseEvent(event);
</ins><span class="cx"> 
</span><span class="cx">     // If we're a snapshotted plugin, we want to make sure we activate on
</span><span class="cx">     // clicks even if the page is preventing our default behaviour. Otherwise
</span></span></pre>
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