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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/177513">177513</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2014-12-18 12:21:24 -0800 (Thu, 18 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Ref-ify ClientRectList.
&lt;https://webkit.org/b/139780&gt;

Reviewed by Anders Carlsson.

Make the ClientRectList::create() helpers return Ref, along with a bunch
of other functions that always return non-null ClientRectLists.

Also make ClientRectList store a Vector&lt;Ref&lt;ClientRect&gt;&gt; internally since
entries in the Vector are never null.

* dom/ClientRectList.cpp:
(WebCore::ClientRectList::item):
* dom/ClientRectList.h:
(WebCore::ClientRectList::create):
* dom/Element.cpp:
(WebCore::Element::getClientRects):
* dom/Element.h:
* dom/Range.cpp:
(WebCore::Range::getClientRects):
* dom/Range.h:
* page/Page.cpp:
(WebCore::Page::nonFastScrollableRects):
* page/Page.h:
* testing/Internals.cpp:
(WebCore::Internals::inspectorHighlightRects):
(WebCore::Internals::nonFastScrollableRects):
* testing/Internals.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomClientRectListcpp">trunk/Source/WebCore/dom/ClientRectList.cpp</a></li>
<li><a href="#trunkSourceWebCoredomClientRectListh">trunk/Source/WebCore/dom/ClientRectList.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="#trunkSourceWebCoredomRangecpp">trunk/Source/WebCore/dom/Range.cpp</a></li>
<li><a href="#trunkSourceWebCoredomRangeh">trunk/Source/WebCore/dom/Range.h</a></li>
<li><a href="#trunkSourceWebCorepagePagecpp">trunk/Source/WebCore/page/Page.cpp</a></li>
<li><a href="#trunkSourceWebCorepagePageh">trunk/Source/WebCore/page/Page.h</a></li>
<li><a href="#trunkSourceWebCoretestingInternalscpp">trunk/Source/WebCore/testing/Internals.cpp</a></li>
<li><a href="#trunkSourceWebCoretestingInternalsh">trunk/Source/WebCore/testing/Internals.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/ChangeLog        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -1,5 +1,36 @@
</span><span class="cx"> 2014-12-18  Andreas Kling  &lt;akling@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Ref-ify ClientRectList.
+        &lt;https://webkit.org/b/139780&gt;
+
+        Reviewed by Anders Carlsson.
+
+        Make the ClientRectList::create() helpers return Ref, along with a bunch
+        of other functions that always return non-null ClientRectLists.
+
+        Also make ClientRectList store a Vector&lt;Ref&lt;ClientRect&gt;&gt; internally since
+        entries in the Vector are never null.
+
+        * dom/ClientRectList.cpp:
+        (WebCore::ClientRectList::item):
+        * dom/ClientRectList.h:
+        (WebCore::ClientRectList::create):
+        * dom/Element.cpp:
+        (WebCore::Element::getClientRects):
+        * dom/Element.h:
+        * dom/Range.cpp:
+        (WebCore::Range::getClientRects):
+        * dom/Range.h:
+        * page/Page.cpp:
+        (WebCore::Page::nonFastScrollableRects):
+        * page/Page.h:
+        * testing/Internals.cpp:
+        (WebCore::Internals::inspectorHighlightRects):
+        (WebCore::Internals::nonFastScrollableRects):
+        * testing/Internals.h:
+
+2014-12-18  Andreas Kling  &lt;akling@apple.com&gt;
+
</ins><span class="cx">         Ref-ify ClientRect.
</span><span class="cx">         &lt;https://webkit.org/b/139777&gt;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomClientRectListcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ClientRectList.cpp (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ClientRectList.cpp        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/ClientRectList.cpp        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -57,10 +57,10 @@
</span><span class="cx">     if (index &gt;= m_list.size()) {
</span><span class="cx">         // FIXME: this should throw an exception.
</span><span class="cx">         // ec = INDEX_SIZE_ERR;
</span><del>-        return 0;
</del><ins>+        return nullptr;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    return m_list[index].get();
</del><ins>+    return m_list[index].ptr();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomClientRectListh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ClientRectList.h (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ClientRectList.h        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/ClientRectList.h        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -28,7 +28,7 @@
</span><span class="cx"> #define ClientRectList_h
</span><span class="cx"> 
</span><span class="cx"> #include &quot;FloatQuad.h&quot;
</span><del>-#include &lt;wtf/PassRefPtr.h&gt;
</del><ins>+#include &lt;wtf/Ref.h&gt;
</ins><span class="cx"> #include &lt;wtf/RefCounted.h&gt;
</span><span class="cx"> #include &lt;wtf/Vector.h&gt;
</span><span class="cx"> 
</span><span class="lines">@@ -38,8 +38,8 @@
</span><span class="cx"> 
</span><span class="cx">     class ClientRectList : public RefCounted&lt;ClientRectList&gt; {
</span><span class="cx">     public:
</span><del>-        static PassRefPtr&lt;ClientRectList&gt; create() { return adoptRef(new ClientRectList); }
-        static PassRefPtr&lt;ClientRectList&gt; create(const Vector&lt;FloatQuad&gt;&amp; quads) { return adoptRef(new ClientRectList(quads)); }
</del><ins>+        static Ref&lt;ClientRectList&gt; create() { return adoptRef(*new ClientRectList); }
+        static Ref&lt;ClientRectList&gt; create(const Vector&lt;FloatQuad&gt;&amp; quads) { return adoptRef(*new ClientRectList(quads)); }
</ins><span class="cx">         WEBCORE_EXPORT ~ClientRectList();
</span><span class="cx"> 
</span><span class="cx">         unsigned length() const;
</span><span class="lines">@@ -49,7 +49,7 @@
</span><span class="cx">         WEBCORE_EXPORT ClientRectList();
</span><span class="cx">         WEBCORE_EXPORT explicit ClientRectList(const Vector&lt;FloatQuad&gt;&amp;);
</span><span class="cx"> 
</span><del>-        Vector&lt;RefPtr&lt;ClientRect&gt;&gt; m_list;
</del><ins>+        Vector&lt;Ref&lt;ClientRect&gt;&gt; m_list;
</ins><span class="cx">     }; 
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.cpp (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.cpp        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/Element.cpp        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -891,7 +891,7 @@
</span><span class="cx">     return result;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;ClientRectList&gt; Element::getClientRects()
</del><ins>+Ref&lt;ClientRectList&gt; Element::getClientRects()
</ins><span class="cx"> {
</span><span class="cx">     document().updateLayoutIgnorePendingStylesheets();
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.h (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.h        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/Element.h        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -220,7 +220,7 @@
</span><span class="cx"> 
</span><span class="cx">     WEBCORE_EXPORT IntRect boundsInRootViewSpace();
</span><span class="cx"> 
</span><del>-    RefPtr&lt;ClientRectList&gt; getClientRects();
</del><ins>+    Ref&lt;ClientRectList&gt; getClientRects();
</ins><span class="cx">     Ref&lt;ClientRect&gt; getBoundingClientRect();
</span><span class="cx">     
</span><span class="cx">     // Returns the absolute bounding box translated into client coordinates.
</span></span></pre></div>
<a id="trunkSourceWebCoredomRangecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Range.cpp (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Range.cpp        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/Range.cpp        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -2177,7 +2177,7 @@
</span><span class="cx">     setEnd(end.deepEquivalent().containerNode(), end.deepEquivalent().computeOffsetInContainerNode(), ec);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;ClientRectList&gt; Range::getClientRects() const
</del><ins>+Ref&lt;ClientRectList&gt; Range::getClientRects() const
</ins><span class="cx"> {
</span><span class="cx">     if (!m_start.container())
</span><span class="cx">         return ClientRectList::create();
</span></span></pre></div>
<a id="trunkSourceWebCoredomRangeh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Range.h (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Range.h        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/dom/Range.h        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -151,7 +151,7 @@
</span><span class="cx">     // for details.
</span><span class="cx">     void expand(const String&amp;, ExceptionCode&amp;);
</span><span class="cx"> 
</span><del>-    PassRefPtr&lt;ClientRectList&gt; getClientRects() const;
</del><ins>+    Ref&lt;ClientRectList&gt; getClientRects() const;
</ins><span class="cx">     Ref&lt;ClientRect&gt; getBoundingClientRect() const;
</span><span class="cx"> 
</span><span class="cx"> #ifndef NDEBUG
</span></span></pre></div>
<a id="trunkSourceWebCorepagePagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.cpp (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.cpp        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/page/Page.cpp        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -368,7 +368,7 @@
</span><span class="cx">     return String();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;ClientRectList&gt; Page::nonFastScrollableRects(const Frame* frame)
</del><ins>+Ref&lt;ClientRectList&gt; Page::nonFastScrollableRects(const Frame* frame)
</ins><span class="cx"> {
</span><span class="cx">     if (Document* document = m_mainFrame-&gt;document())
</span><span class="cx">         document-&gt;updateLayout();
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.h (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.h        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/page/Page.h        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -192,7 +192,7 @@
</span><span class="cx"> 
</span><span class="cx">     WEBCORE_EXPORT String scrollingStateTreeAsText();
</span><span class="cx">     WEBCORE_EXPORT String synchronousScrollingReasonsAsText();
</span><del>-    WEBCORE_EXPORT PassRefPtr&lt;ClientRectList&gt; nonFastScrollableRects(const Frame*);
</del><ins>+    WEBCORE_EXPORT Ref&lt;ClientRectList&gt; nonFastScrollableRects(const Frame*);
</ins><span class="cx"> 
</span><span class="cx">     Settings&amp; settings() const { return *m_settings; }
</span><span class="cx">     ProgressTracker&amp; progress() const { return *m_progress; }
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.cpp (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.cpp        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/testing/Internals.cpp        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -774,7 +774,7 @@
</span><span class="cx">     return ClientRect::create(renderer-&gt;absoluteBoundingBoxRectIgnoringTransforms());
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;ClientRectList&gt; Internals::inspectorHighlightRects(ExceptionCode&amp; ec)
</del><ins>+Ref&lt;ClientRectList&gt; Internals::inspectorHighlightRects(ExceptionCode&amp; ec)
</ins><span class="cx"> {
</span><span class="cx"> #if ENABLE(INSPECTOR)
</span><span class="cx">     Document* document = contextDocument();
</span><span class="lines">@@ -1668,17 +1668,17 @@
</span><span class="cx">     return page-&gt;synchronousScrollingReasonsAsText();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;ClientRectList&gt; Internals::nonFastScrollableRects(ExceptionCode&amp; ec) const
</del><ins>+RefPtr&lt;ClientRectList&gt; Internals::nonFastScrollableRects(ExceptionCode&amp; ec) const
</ins><span class="cx"> {
</span><span class="cx">     Document* document = contextDocument();
</span><span class="cx">     if (!document || !document-&gt;frame()) {
</span><span class="cx">         ec = INVALID_ACCESS_ERR;
</span><del>-        return 0;
</del><ins>+        return nullptr;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     Page* page = document-&gt;page();
</span><span class="cx">     if (!page)
</span><del>-        return 0;
</del><ins>+        return nullptr;
</ins><span class="cx"> 
</span><span class="cx">     return page-&gt;nonFastScrollableRects(document-&gt;frame());
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.h (177512 => 177513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.h        2014-12-18 19:56:46 UTC (rev 177512)
+++ trunk/Source/WebCore/testing/Internals.h        2014-12-18 20:21:24 UTC (rev 177513)
</span><span class="lines">@@ -130,7 +130,7 @@
</span><span class="cx"> 
</span><span class="cx">     Ref&lt;ClientRect&gt; boundingBox(Element*, ExceptionCode&amp;);
</span><span class="cx"> 
</span><del>-    PassRefPtr&lt;ClientRectList&gt; inspectorHighlightRects(ExceptionCode&amp;);
</del><ins>+    Ref&lt;ClientRectList&gt; inspectorHighlightRects(ExceptionCode&amp;);
</ins><span class="cx">     String inspectorHighlightObject(ExceptionCode&amp;);
</span><span class="cx"> 
</span><span class="cx">     unsigned markerCountForNode(Node*, const String&amp;, ExceptionCode&amp;);
</span><span class="lines">@@ -218,7 +218,7 @@
</span><span class="cx">     String repaintRectsAsText(ExceptionCode&amp;) const;
</span><span class="cx">     String scrollingStateTreeAsText(ExceptionCode&amp;) const;
</span><span class="cx">     String mainThreadScrollingReasons(ExceptionCode&amp;) const;
</span><del>-    PassRefPtr&lt;ClientRectList&gt; nonFastScrollableRects(ExceptionCode&amp;) const;
</del><ins>+    RefPtr&lt;ClientRectList&gt; nonFastScrollableRects(ExceptionCode&amp;) const;
</ins><span class="cx"> 
</span><span class="cx">     void garbageCollectDocumentResources(ExceptionCode&amp;) const;
</span><span class="cx"> 
</span></span></pre>
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