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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/177751">177751</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2014-12-26 15:00:04 -0800 (Fri, 26 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Purge PassRefPtr from Element and ElementRareData.
&lt;https://webkit.org/b/139949&gt;

Reviewed by Anders Carlsson.

Make functions that used to take PassRefPtr now take Ref&amp;&amp; or RefPtr&amp;&amp;
instead depending on possible nullity of incoming values.

* dom/Element.cpp:
(WebCore::Element::addShadowRoot):
(WebCore::Element::setBeforePseudoElement):
(WebCore::Element::setAfterPseudoElement):
* dom/Element.h:
* dom/ElementRareData.h:
(WebCore::ElementRareData::setShadowRoot):
(WebCore::ElementRareData::setBeforePseudoElement):
(WebCore::ElementRareData::setAfterPseudoElement):
* dom/PseudoElement.h:
* dom/ShadowRoot.h:
* style/StyleResolveTree.cpp:
(WebCore::Style::setBeforeOrAfterPseudoElement):
(WebCore::Style::attachBeforeOrAfterPseudoElementIfNeeded):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</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="#trunkSourceWebCoredomElementRareDatah">trunk/Source/WebCore/dom/ElementRareData.h</a></li>
<li><a href="#trunkSourceWebCoredomPseudoElementh">trunk/Source/WebCore/dom/PseudoElement.h</a></li>
<li><a href="#trunkSourceWebCoredomShadowRooth">trunk/Source/WebCore/dom/ShadowRoot.h</a></li>
<li><a href="#trunkSourceWebCorestyleStyleResolveTreecpp">trunk/Source/WebCore/style/StyleResolveTree.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/ChangeLog        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -1,3 +1,28 @@
</span><ins>+2014-12-26  Andreas Kling  &lt;akling@apple.com&gt;
+
+        Purge PassRefPtr from Element and ElementRareData.
+        &lt;https://webkit.org/b/139949&gt;
+
+        Reviewed by Anders Carlsson.
+
+        Make functions that used to take PassRefPtr now take Ref&amp;&amp; or RefPtr&amp;&amp;
+        instead depending on possible nullity of incoming values.
+
+        * dom/Element.cpp:
+        (WebCore::Element::addShadowRoot):
+        (WebCore::Element::setBeforePseudoElement):
+        (WebCore::Element::setAfterPseudoElement):
+        * dom/Element.h:
+        * dom/ElementRareData.h:
+        (WebCore::ElementRareData::setShadowRoot):
+        (WebCore::ElementRareData::setBeforePseudoElement):
+        (WebCore::ElementRareData::setAfterPseudoElement):
+        * dom/PseudoElement.h:
+        * dom/ShadowRoot.h:
+        * style/StyleResolveTree.cpp:
+        (WebCore::Style::setBeforeOrAfterPseudoElement):
+        (WebCore::Style::attachBeforeOrAfterPseudoElementIfNeeded):
+
</ins><span class="cx"> 2014-12-26  Dan Bernstein  &lt;mitz@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         &lt;rdar://problem/19348208&gt; REGRESSION (r177027): iOS builds use the wrong toolchain
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.cpp (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.cpp        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/dom/Element.cpp        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -1457,24 +1457,24 @@
</span><span class="cx">     setNeedsNodeRenderingTraversalSlowPath(shouldUseNodeRenderingTraversalSlowPath(*this));
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Element::addShadowRoot(PassRefPtr&lt;ShadowRoot&gt; newShadowRoot)
</del><ins>+void Element::addShadowRoot(Ref&lt;ShadowRoot&gt;&amp;&amp; newShadowRoot)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(!shadowRoot());
</span><span class="cx"> 
</span><del>-    ShadowRoot* shadowRoot = newShadowRoot.get();
-    ensureElementRareData().setShadowRoot(newShadowRoot);
</del><ins>+    ShadowRoot&amp; shadowRoot = newShadowRoot.get();
+    ensureElementRareData().setShadowRoot(WTF::move(newShadowRoot));
</ins><span class="cx"> 
</span><del>-    shadowRoot-&gt;setHostElement(this);
-    shadowRoot-&gt;setParentTreeScope(&amp;treeScope());
-    shadowRoot-&gt;distributor().didShadowBoundaryChange(this);
</del><ins>+    shadowRoot.setHostElement(this);
+    shadowRoot.setParentTreeScope(&amp;treeScope());
+    shadowRoot.distributor().didShadowBoundaryChange(this);
</ins><span class="cx"> 
</span><del>-    ChildNodeInsertionNotifier(*this).notify(*shadowRoot);
</del><ins>+    ChildNodeInsertionNotifier(*this).notify(shadowRoot);
</ins><span class="cx"> 
</span><span class="cx">     resetNeedsNodeRenderingTraversalSlowPath();
</span><span class="cx"> 
</span><span class="cx">     setNeedsStyleRecalc(ReconstructRenderTree);
</span><span class="cx"> 
</span><del>-    InspectorInstrumentation::didPushShadowRoot(this, shadowRoot);
</del><ins>+    InspectorInstrumentation::didPushShadowRoot(this, &amp;shadowRoot);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void Element::removeShadowRoot()
</span><span class="lines">@@ -2329,14 +2329,14 @@
</span><span class="cx">     return hasRareData() ? elementRareData()-&gt;afterPseudoElement() : 0;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Element::setBeforePseudoElement(PassRefPtr&lt;PseudoElement&gt; element)
</del><ins>+void Element::setBeforePseudoElement(Ref&lt;PseudoElement&gt;&amp;&amp; element)
</ins><span class="cx"> {
</span><del>-    ensureElementRareData().setBeforePseudoElement(element);
</del><ins>+    ensureElementRareData().setBeforePseudoElement(WTF::move(element));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Element::setAfterPseudoElement(PassRefPtr&lt;PseudoElement&gt; element)
</del><ins>+void Element::setAfterPseudoElement(Ref&lt;PseudoElement&gt;&amp;&amp; element)
</ins><span class="cx"> {
</span><del>-    ensureElementRareData().setAfterPseudoElement(element);
</del><ins>+    ensureElementRareData().setAfterPseudoElement(WTF::move(element));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static void disconnectPseudoElement(PseudoElement* pseudoElement)
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Element.h (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Element.h        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/dom/Element.h        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -546,8 +546,8 @@
</span><span class="cx">     virtual void didDetachRenderers();
</span><span class="cx">     virtual RefPtr&lt;RenderStyle&gt; customStyleForRenderer(RenderStyle&amp; parentStyle);
</span><span class="cx"> 
</span><del>-    void setBeforePseudoElement(PassRefPtr&lt;PseudoElement&gt;);
-    void setAfterPseudoElement(PassRefPtr&lt;PseudoElement&gt;);
</del><ins>+    void setBeforePseudoElement(Ref&lt;PseudoElement&gt;&amp;&amp;);
+    void setAfterPseudoElement(Ref&lt;PseudoElement&gt;&amp;&amp;);
</ins><span class="cx">     void clearBeforePseudoElement();
</span><span class="cx">     void clearAfterPseudoElement();
</span><span class="cx">     void resetComputedStyle();
</span><span class="lines">@@ -635,7 +635,7 @@
</span><span class="cx">     virtual RefPtr&lt;Node&gt; cloneNodeInternal(Document&amp;, CloningOperation) override;
</span><span class="cx">     virtual RefPtr&lt;Element&gt; cloneElementWithoutAttributesAndChildren(Document&amp;);
</span><span class="cx"> 
</span><del>-    void addShadowRoot(PassRefPtr&lt;ShadowRoot&gt;);
</del><ins>+    void addShadowRoot(Ref&lt;ShadowRoot&gt;&amp;&amp;);
</ins><span class="cx">     void removeShadowRoot();
</span><span class="cx"> 
</span><span class="cx">     bool rareDataStyleAffectedByEmpty() const;
</span></span></pre></div>
<a id="trunkSourceWebCoredomElementRareDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ElementRareData.h (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ElementRareData.h        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/dom/ElementRareData.h        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -30,7 +30,6 @@
</span><span class="cx"> #include &quot;RenderElement.h&quot;
</span><span class="cx"> #include &quot;ShadowRoot.h&quot;
</span><span class="cx"> #include &quot;StyleInheritedData.h&quot;
</span><del>-#include &lt;wtf/OwnPtr.h&gt;
</del><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><span class="lines">@@ -39,8 +38,8 @@
</span><span class="cx">     ElementRareData(Element&amp;, RenderElement*);
</span><span class="cx">     ~ElementRareData();
</span><span class="cx"> 
</span><del>-    void setBeforePseudoElement(PassRefPtr&lt;PseudoElement&gt;);
-    void setAfterPseudoElement(PassRefPtr&lt;PseudoElement&gt;);
</del><ins>+    void setBeforePseudoElement(RefPtr&lt;PseudoElement&gt;&amp;&amp;);
+    void setAfterPseudoElement(RefPtr&lt;PseudoElement&gt;&amp;&amp;);
</ins><span class="cx"> 
</span><span class="cx">     PseudoElement* beforePseudoElement() const { return m_beforePseudoElement.get(); }
</span><span class="cx">     PseudoElement* afterPseudoElement() const { return m_afterPseudoElement.get(); }
</span><span class="lines">@@ -85,7 +84,7 @@
</span><span class="cx"> 
</span><span class="cx">     void clearShadowRoot() { m_shadowRoot = nullptr; }
</span><span class="cx">     ShadowRoot* shadowRoot() const { return m_shadowRoot.get(); }
</span><del>-    void setShadowRoot(PassRefPtr&lt;ShadowRoot&gt; shadowRoot) { m_shadowRoot = shadowRoot; }
</del><ins>+    void setShadowRoot(RefPtr&lt;ShadowRoot&gt;&amp;&amp; shadowRoot) { m_shadowRoot = WTF::move(shadowRoot); }
</ins><span class="cx"> 
</span><span class="cx">     NamedNodeMap* attributeMap() const { return m_attributeMap.get(); }
</span><span class="cx">     void setAttributeMap(std::unique_ptr&lt;NamedNodeMap&gt; attributeMap) { m_attributeMap = WTF::move(attributeMap); }
</span><span class="lines">@@ -189,16 +188,16 @@
</span><span class="cx">     ASSERT(!m_afterPseudoElement);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-inline void ElementRareData::setBeforePseudoElement(PassRefPtr&lt;PseudoElement&gt; pseudoElement)
</del><ins>+inline void ElementRareData::setBeforePseudoElement(RefPtr&lt;PseudoElement&gt;&amp;&amp; pseudoElement)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(!m_beforePseudoElement || !pseudoElement);
</span><del>-    m_beforePseudoElement = pseudoElement;
</del><ins>+    m_beforePseudoElement = WTF::move(pseudoElement);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-inline void ElementRareData::setAfterPseudoElement(PassRefPtr&lt;PseudoElement&gt; pseudoElement)
</del><ins>+inline void ElementRareData::setAfterPseudoElement(RefPtr&lt;PseudoElement&gt;&amp;&amp; pseudoElement)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(!m_afterPseudoElement || !pseudoElement);
</span><del>-    m_afterPseudoElement = pseudoElement;
</del><ins>+    m_afterPseudoElement = WTF::move(pseudoElement);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> inline void ElementRareData::resetComputedStyle()
</span></span></pre></div>
<a id="trunkSourceWebCoredomPseudoElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/PseudoElement.h (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/PseudoElement.h        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/dom/PseudoElement.h        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -36,9 +36,9 @@
</span><span class="cx"> 
</span><span class="cx"> class PseudoElement final : public Element {
</span><span class="cx"> public:
</span><del>-    static PassRefPtr&lt;PseudoElement&gt; create(Element&amp; host, PseudoId pseudoId)
</del><ins>+    static Ref&lt;PseudoElement&gt; create(Element&amp; host, PseudoId pseudoId)
</ins><span class="cx">     {
</span><del>-        return adoptRef(new PseudoElement(host, pseudoId));
</del><ins>+        return adoptRef(*new PseudoElement(host, pseudoId));
</ins><span class="cx">     }
</span><span class="cx">     virtual ~PseudoElement();
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoredomShadowRooth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ShadowRoot.h (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ShadowRoot.h        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/dom/ShadowRoot.h        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -43,9 +43,9 @@
</span><span class="cx">         UserAgentShadowRoot = 0,
</span><span class="cx">     };
</span><span class="cx"> 
</span><del>-    static PassRefPtr&lt;ShadowRoot&gt; create(Document&amp; document, ShadowRootType type)
</del><ins>+    static Ref&lt;ShadowRoot&gt; create(Document&amp; document, ShadowRootType type)
</ins><span class="cx">     {
</span><del>-        return adoptRef(new ShadowRoot(document, type));
</del><ins>+        return adoptRef(*new ShadowRoot(document, type));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     virtual ~ShadowRoot();
</span></span></pre></div>
<a id="trunkSourceWebCorestyleStyleResolveTreecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/style/StyleResolveTree.cpp (177750 => 177751)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/style/StyleResolveTree.cpp        2014-12-26 22:16:30 UTC (rev 177750)
+++ trunk/Source/WebCore/style/StyleResolveTree.cpp        2014-12-26 23:00:04 UTC (rev 177751)
</span><span class="lines">@@ -532,14 +532,14 @@
</span><span class="cx">     return current.afterPseudoElement();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static void setBeforeOrAfterPseudoElement(Element&amp; current, PassRefPtr&lt;PseudoElement&gt; pseudoElement, PseudoId pseudoId)
</del><ins>+static void setBeforeOrAfterPseudoElement(Element&amp; current, Ref&lt;PseudoElement&gt;&amp;&amp; pseudoElement, PseudoId pseudoId)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(pseudoId == BEFORE || pseudoId == AFTER);
</span><span class="cx">     if (pseudoId == BEFORE) {
</span><del>-        current.setBeforePseudoElement(pseudoElement);
</del><ins>+        current.setBeforePseudoElement(WTF::move(pseudoElement));
</ins><span class="cx">         return;
</span><span class="cx">     }
</span><del>-    current.setAfterPseudoElement(pseudoElement);
</del><ins>+    current.setAfterPseudoElement(WTF::move(pseudoElement));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static void clearBeforeOrAfterPseudoElement(Element&amp; current, PseudoId pseudoId)
</span><span class="lines">@@ -592,9 +592,9 @@
</span><span class="cx"> {
</span><span class="cx">     if (!needsPseudoElement(current, pseudoId))
</span><span class="cx">         return;
</span><del>-    RefPtr&lt;PseudoElement&gt; pseudoElement = PseudoElement::create(current, pseudoId);
-    setBeforeOrAfterPseudoElement(current, pseudoElement, pseudoId);
-    attachRenderTree(*pseudoElement, *current.renderStyle(), renderTreePosition, nullptr);
</del><ins>+    Ref&lt;PseudoElement&gt; pseudoElement = PseudoElement::create(current, pseudoId);
+    setBeforeOrAfterPseudoElement(current, pseudoElement.copyRef(), pseudoId);
+    attachRenderTree(pseudoElement.get(), *current.renderStyle(), renderTreePosition, nullptr);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static void attachRenderTree(Element&amp; current, RenderStyle&amp; inheritedStyle, RenderTreePosition&amp; renderTreePosition, PassRefPtr&lt;RenderStyle&gt; resolvedStyle)
</span></span></pre>
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