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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/164298">164298</a></dd>
<dt>Author</dt> <dd>ddkilzer@apple.com</dd>
<dt>Date</dt> <dd>2014-02-18 11:10:38 -0800 (Tue, 18 Feb 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add type-checked casts for StyleImage and subclasses
&lt;http://webkit.org/b/128915&gt;

Reviewed by Oliver Hunt.

* css/CSSCursorImageValue.cpp:
(WebCore::CSSCursorImageValue::detachPendingImage):
(WebCore::CSSCursorImageValue::cachedImage):
(WebCore::CSSCursorImageValue::cachedImageURL):
* css/CSSImageSetValue.cpp:
(WebCore::CSSImageSetValue::detachPendingImage):
(WebCore::CSSImageSetValue::~CSSImageSetValue):
(WebCore::CSSImageSetValue::cachedImageSet):
(WebCore::CSSImageSetValue::hasFailedOrCanceledSubresources):
* css/CSSImageValue.cpp:
(WebCore::CSSImageValue::detachPendingImage):
(WebCore::CSSImageValue::cachedImage):
(WebCore::CSSImageValue::hasFailedOrCanceledSubresources):
* css/StyleResolver.cpp:
(WebCore::StyleResolver::loadPendingShapeImage):
(WebCore::StyleResolver::loadPendingImages):
* page/PageSerializer.cpp:
(WebCore::PageSerializer::retrieveResourcesForProperties):
* page/animation/CSSPropertyAnimation.cpp:
(WebCore::blendFunc):
- Switch from static_cast&lt;&gt;() operators to toTypeName() methods.
- Replace 0 with nullptr where convenient.

* rendering/style/StyleCachedImage.h:
* rendering/style/StyleCachedImageSet.h:
* rendering/style/StyleGeneratedImage.h:
* rendering/style/StyleImage.h:
* rendering/style/StylePendingImage.h:
- Define type-checked cast macros.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorecssCSSCursorImageValuecpp">trunk/Source/WebCore/css/CSSCursorImageValue.cpp</a></li>
<li><a href="#trunkSourceWebCorecssCSSImageSetValuecpp">trunk/Source/WebCore/css/CSSImageSetValue.cpp</a></li>
<li><a href="#trunkSourceWebCorecssCSSImageValuecpp">trunk/Source/WebCore/css/CSSImageValue.cpp</a></li>
<li><a href="#trunkSourceWebCorecssStyleResolvercpp">trunk/Source/WebCore/css/StyleResolver.cpp</a></li>
<li><a href="#trunkSourceWebCorepagePageSerializercpp">trunk/Source/WebCore/page/PageSerializer.cpp</a></li>
<li><a href="#trunkSourceWebCorepageanimationCSSPropertyAnimationcpp">trunk/Source/WebCore/page/animation/CSSPropertyAnimation.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleCachedImageh">trunk/Source/WebCore/rendering/style/StyleCachedImage.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleCachedImageSeth">trunk/Source/WebCore/rendering/style/StyleCachedImageSet.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleGeneratedImageh">trunk/Source/WebCore/rendering/style/StyleGeneratedImage.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleImageh">trunk/Source/WebCore/rendering/style/StyleImage.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStylePendingImageh">trunk/Source/WebCore/rendering/style/StylePendingImage.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/ChangeLog        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -1,3 +1,40 @@
</span><ins>+2014-02-18  David Kilzer  &lt;ddkilzer@apple.com&gt;
+
+        Add type-checked casts for StyleImage and subclasses
+        &lt;http://webkit.org/b/128915&gt;
+
+        Reviewed by Oliver Hunt.
+
+        * css/CSSCursorImageValue.cpp:
+        (WebCore::CSSCursorImageValue::detachPendingImage):
+        (WebCore::CSSCursorImageValue::cachedImage):
+        (WebCore::CSSCursorImageValue::cachedImageURL):
+        * css/CSSImageSetValue.cpp:
+        (WebCore::CSSImageSetValue::detachPendingImage):
+        (WebCore::CSSImageSetValue::~CSSImageSetValue):
+        (WebCore::CSSImageSetValue::cachedImageSet):
+        (WebCore::CSSImageSetValue::hasFailedOrCanceledSubresources):
+        * css/CSSImageValue.cpp:
+        (WebCore::CSSImageValue::detachPendingImage):
+        (WebCore::CSSImageValue::cachedImage):
+        (WebCore::CSSImageValue::hasFailedOrCanceledSubresources):
+        * css/StyleResolver.cpp:
+        (WebCore::StyleResolver::loadPendingShapeImage):
+        (WebCore::StyleResolver::loadPendingImages):
+        * page/PageSerializer.cpp:
+        (WebCore::PageSerializer::retrieveResourcesForProperties):
+        * page/animation/CSSPropertyAnimation.cpp:
+        (WebCore::blendFunc):
+        - Switch from static_cast&lt;&gt;() operators to toTypeName() methods.
+        - Replace 0 with nullptr where convenient.
+
+        * rendering/style/StyleCachedImage.h:
+        * rendering/style/StyleCachedImageSet.h:
+        * rendering/style/StyleGeneratedImage.h:
+        * rendering/style/StyleImage.h:
+        * rendering/style/StylePendingImage.h:
+        - Define type-checked cast macros.
+
</ins><span class="cx"> 2014-02-18  Sam Weinig  &lt;sam@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         Simplify HTML tokenizer parameterization down to what is used
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSCursorImageValuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSCursorImageValue.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSCursorImageValue.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/css/CSSCursorImageValue.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -65,7 +65,7 @@
</span><span class="cx"> inline void CSSCursorImageValue::detachPendingImage()
</span><span class="cx"> {
</span><span class="cx">     if (m_image &amp;&amp; m_image-&gt;isPendingImage())
</span><del>-        static_cast&lt;StylePendingImage&amp;&gt;(*m_image).detachFromCSSValue();
</del><ins>+        toStylePendingImage(*m_image).detachFromCSSValue();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> CSSCursorImageValue::~CSSCursorImageValue()
</span><span class="lines">@@ -161,9 +161,9 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (m_image &amp;&amp; m_image-&gt;isCachedImage())
</span><del>-        return static_cast&lt;StyleCachedImage*&gt;(m_image.get());
</del><ins>+        return toStyleCachedImage(m_image.get());
</ins><span class="cx"> 
</span><del>-    return 0;
</del><ins>+    return nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> StyleImage* CSSCursorImageValue::cachedOrPendingImage(Document&amp; document)
</span><span class="lines">@@ -195,7 +195,7 @@
</span><span class="cx"> {
</span><span class="cx">     if (!m_image || !m_image-&gt;isCachedImage())
</span><span class="cx">         return String();
</span><del>-    return static_cast&lt;StyleCachedImage*&gt;(m_image.get())-&gt;cachedImage()-&gt;url();
</del><ins>+    return toStyleCachedImage(m_image.get())-&gt;cachedImage()-&gt;url();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void CSSCursorImageValue::clearCachedImage()
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSImageSetValuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSImageSetValue.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSImageSetValue.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/css/CSSImageSetValue.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -53,7 +53,7 @@
</span><span class="cx"> inline void CSSImageSetValue::detachPendingImage()
</span><span class="cx"> {
</span><span class="cx">     if (m_imageSet &amp;&amp; m_imageSet-&gt;isPendingImage())
</span><del>-        static_cast&lt;StylePendingImage&amp;&gt;(*m_imageSet).detachFromCSSValue();
</del><ins>+        toStylePendingImage(*m_imageSet).detachFromCSSValue();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> CSSImageSetValue::~CSSImageSetValue()
</span><span class="lines">@@ -61,7 +61,7 @@
</span><span class="cx">     detachPendingImage();
</span><span class="cx"> 
</span><span class="cx">     if (m_imageSet &amp;&amp; m_imageSet-&gt;isCachedImageSet())
</span><del>-        static_cast&lt;StyleCachedImageSet*&gt;(m_imageSet.get())-&gt;clearImageSetValue();
</del><ins>+        toStyleCachedImageSet(m_imageSet.get())-&gt;clearImageSetValue();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void CSSImageSetValue::fillImageSet()
</span><span class="lines">@@ -130,7 +130,7 @@
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    return (m_imageSet &amp;&amp; m_imageSet-&gt;isCachedImageSet()) ? static_cast&lt;StyleCachedImageSet*&gt;(m_imageSet.get()) : 0;
</del><ins>+    return (m_imageSet &amp;&amp; m_imageSet-&gt;isCachedImageSet()) ? toStyleCachedImageSet(m_imageSet.get()) : nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> StyleCachedImageSet* CSSImageSetValue::cachedImageSet(CachedResourceLoader* loader)
</span><span class="lines">@@ -191,7 +191,7 @@
</span><span class="cx"> {
</span><span class="cx">     if (!m_imageSet || !m_imageSet-&gt;isCachedImageSet())
</span><span class="cx">         return false;
</span><del>-    CachedResource* cachedResource = static_cast&lt;StyleCachedImageSet*&gt;(m_imageSet.get())-&gt;cachedImage();
</del><ins>+    CachedResource* cachedResource = toStyleCachedImageSet(m_imageSet.get())-&gt;cachedImage();
</ins><span class="cx">     if (!cachedResource)
</span><span class="cx">         return true;
</span><span class="cx">     return cachedResource-&gt;loadFailedOrCanceled();
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSImageValuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSImageValue.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSImageValue.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/css/CSSImageValue.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -55,7 +55,7 @@
</span><span class="cx"> inline void CSSImageValue::detachPendingImage()
</span><span class="cx"> {
</span><span class="cx">     if (m_image &amp;&amp; m_image-&gt;isPendingImage())
</span><del>-        static_cast&lt;StylePendingImage&amp;&gt;(*m_image).detachFromCSSValue();
</del><ins>+        toStylePendingImage(*m_image).detachFromCSSValue();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> CSSImageValue::~CSSImageValue()
</span><span class="lines">@@ -93,7 +93,7 @@
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    return (m_image &amp;&amp; m_image-&gt;isCachedImage()) ? static_cast&lt;StyleCachedImage*&gt;(m_image.get()) : 0;
</del><ins>+    return (m_image &amp;&amp; m_image-&gt;isCachedImage()) ? toStyleCachedImage(m_image.get()) : nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader)
</span><span class="lines">@@ -105,7 +105,7 @@
</span><span class="cx"> {
</span><span class="cx">     if (!m_image || !m_image-&gt;isCachedImage())
</span><span class="cx">         return false;
</span><del>-    CachedResource* cachedResource = static_cast&lt;StyleCachedImage*&gt;(m_image.get())-&gt;cachedImage();
</del><ins>+    CachedResource* cachedResource = toStyleCachedImage(m_image.get())-&gt;cachedImage();
</ins><span class="cx">     if (!cachedResource)
</span><span class="cx">         return true;
</span><span class="cx">     return cachedResource-&gt;loadFailedOrCanceled();
</span></span></pre></div>
<a id="trunkSourceWebCorecssStyleResolvercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/StyleResolver.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/StyleResolver.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/css/StyleResolver.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -3514,7 +3514,7 @@
</span><span class="cx">     if (!image || !image-&gt;isPendingImage())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    StylePendingImage* pendingImage = static_cast&lt;StylePendingImage*&gt;(image);
</del><ins>+    StylePendingImage* pendingImage = toStylePendingImage(image);
</ins><span class="cx"> 
</span><span class="cx">     ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
</span><span class="cx">     options.requestOriginPolicy = PotentiallyCrossOriginEnabled;
</span><span class="lines">@@ -3537,7 +3537,7 @@
</span><span class="cx">         case CSSPropertyBackgroundImage: {
</span><span class="cx">             for (FillLayer* backgroundLayer = m_state.style()-&gt;accessBackgroundLayers(); backgroundLayer; backgroundLayer = backgroundLayer-&gt;next()) {
</span><span class="cx">                 if (backgroundLayer-&gt;image() &amp;&amp; backgroundLayer-&gt;image()-&gt;isPendingImage())
</span><del>-                    backgroundLayer-&gt;setImage(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(backgroundLayer-&gt;image())));
</del><ins>+                    backgroundLayer-&gt;setImage(loadPendingImage(toStylePendingImage(backgroundLayer-&gt;image())));
</ins><span class="cx">             }
</span><span class="cx">             break;
</span><span class="cx">         }
</span><span class="lines">@@ -3546,7 +3546,7 @@
</span><span class="cx">                 if (contentData-&gt;isImage()) {
</span><span class="cx">                     auto&amp; styleImage = toImageContentData(contentData)-&gt;image();
</span><span class="cx">                     if (styleImage.isPendingImage()) {
</span><del>-                        RefPtr&lt;StyleImage&gt; loadedImage = loadPendingImage(static_cast&lt;StylePendingImage*&gt;(const_cast&lt;StyleImage*&gt;(&amp;styleImage)));
</del><ins>+                        RefPtr&lt;StyleImage&gt; loadedImage = loadPendingImage(toStylePendingImage(const_cast&lt;StyleImage*&gt;(&amp;styleImage)));
</ins><span class="cx">                         if (loadedImage)
</span><span class="cx">                             toImageContentData(contentData)-&gt;setImage(loadedImage.release());
</span><span class="cx">                     }
</span><span class="lines">@@ -3560,7 +3560,7 @@
</span><span class="cx">                     CursorData&amp; currentCursor = cursorList-&gt;at(i);
</span><span class="cx">                     if (StyleImage* image = currentCursor.image()) {
</span><span class="cx">                         if (image-&gt;isPendingImage())
</span><del>-                            currentCursor.setImage(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(image)));
</del><ins>+                            currentCursor.setImage(loadPendingImage(toStylePendingImage(image)));
</ins><span class="cx">                     }
</span><span class="cx">                 }
</span><span class="cx">             }
</span><span class="lines">@@ -3568,19 +3568,19 @@
</span><span class="cx">         }
</span><span class="cx">         case CSSPropertyListStyleImage: {
</span><span class="cx">             if (m_state.style()-&gt;listStyleImage() &amp;&amp; m_state.style()-&gt;listStyleImage()-&gt;isPendingImage())
</span><del>-                m_state.style()-&gt;setListStyleImage(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(m_state.style()-&gt;listStyleImage())));
</del><ins>+                m_state.style()-&gt;setListStyleImage(loadPendingImage(toStylePendingImage(m_state.style()-&gt;listStyleImage())));
</ins><span class="cx">             break;
</span><span class="cx">         }
</span><span class="cx">         case CSSPropertyBorderImageSource: {
</span><span class="cx">             if (m_state.style()-&gt;borderImageSource() &amp;&amp; m_state.style()-&gt;borderImageSource()-&gt;isPendingImage())
</span><del>-                m_state.style()-&gt;setBorderImageSource(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(m_state.style()-&gt;borderImageSource())));
</del><ins>+                m_state.style()-&gt;setBorderImageSource(loadPendingImage(toStylePendingImage(m_state.style()-&gt;borderImageSource())));
</ins><span class="cx">             break;
</span><span class="cx">         }
</span><span class="cx">         case CSSPropertyWebkitBoxReflect: {
</span><span class="cx">             if (StyleReflection* reflection = m_state.style()-&gt;boxReflect()) {
</span><span class="cx">                 const NinePieceImage&amp; maskImage = reflection-&gt;mask();
</span><span class="cx">                 if (maskImage.image() &amp;&amp; maskImage.image()-&gt;isPendingImage()) {
</span><del>-                    RefPtr&lt;StyleImage&gt; loadedImage = loadPendingImage(static_cast&lt;StylePendingImage*&gt;(maskImage.image()));
</del><ins>+                    RefPtr&lt;StyleImage&gt; loadedImage = loadPendingImage(toStylePendingImage(maskImage.image()));
</ins><span class="cx">                     reflection-&gt;setMask(NinePieceImage(loadedImage.release(), maskImage.imageSlices(), maskImage.fill(), maskImage.borderSlices(), maskImage.outset(), maskImage.horizontalRule(), maskImage.verticalRule()));
</span><span class="cx">                 }
</span><span class="cx">             }
</span><span class="lines">@@ -3588,13 +3588,13 @@
</span><span class="cx">         }
</span><span class="cx">         case CSSPropertyWebkitMaskBoxImageSource: {
</span><span class="cx">             if (m_state.style()-&gt;maskBoxImageSource() &amp;&amp; m_state.style()-&gt;maskBoxImageSource()-&gt;isPendingImage())
</span><del>-                m_state.style()-&gt;setMaskBoxImageSource(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(m_state.style()-&gt;maskBoxImageSource())));
</del><ins>+                m_state.style()-&gt;setMaskBoxImageSource(loadPendingImage(toStylePendingImage(m_state.style()-&gt;maskBoxImageSource())));
</ins><span class="cx">             break;
</span><span class="cx">         }
</span><span class="cx">         case CSSPropertyWebkitMaskImage: {
</span><span class="cx">             for (FillLayer* maskLayer = m_state.style()-&gt;accessMaskLayers(); maskLayer; maskLayer = maskLayer-&gt;next()) {
</span><span class="cx">                 if (maskLayer-&gt;image() &amp;&amp; maskLayer-&gt;image()-&gt;isPendingImage())
</span><del>-                    maskLayer-&gt;setImage(loadPendingImage(static_cast&lt;StylePendingImage*&gt;(maskLayer-&gt;image())));
</del><ins>+                    maskLayer-&gt;setImage(loadPendingImage(toStylePendingImage(maskLayer-&gt;image())));
</ins><span class="cx">             }
</span><span class="cx">             break;
</span><span class="cx">         }
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageSerializercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/PageSerializer.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/PageSerializer.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/page/PageSerializer.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -335,7 +335,7 @@
</span><span class="cx">         if (!styleImage || !styleImage-&gt;isCachedImage())
</span><span class="cx">             continue;
</span><span class="cx"> 
</span><del>-        CachedImage* image = static_cast&lt;StyleCachedImage*&gt;(styleImage)-&gt;cachedImage();
</del><ins>+        CachedImage* image = toStyleCachedImage(styleImage)-&gt;cachedImage();
</ins><span class="cx"> 
</span><span class="cx">         URL url = document-&gt;completeURL(image-&gt;url());
</span><span class="cx">         addImageToResources(image, 0, url);
</span></span></pre></div>
<a id="trunkSourceWebCorepageanimationCSSPropertyAnimationcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/animation/CSSPropertyAnimation.cpp (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/animation/CSSPropertyAnimation.cpp        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/page/animation/CSSPropertyAnimation.cpp        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -324,7 +324,7 @@
</span><span class="cx">         CSSImageGeneratorValue&amp; fromGenerated = toStyleGeneratedImage(from)-&gt;imageValue();
</span><span class="cx">         if (fromGenerated.isFilterImageValue()) {
</span><span class="cx">             CSSFilterImageValue&amp; fromFilter = toCSSFilterImageValue(fromGenerated);
</span><del>-            if (fromFilter.cachedImage() &amp;&amp; static_cast&lt;StyleCachedImage*&gt;(to)-&gt;cachedImage() == fromFilter.cachedImage())
</del><ins>+            if (fromFilter.cachedImage() &amp;&amp; toStyleCachedImage(to)-&gt;cachedImage() == fromFilter.cachedImage())
</ins><span class="cx">                 return blendFilter(anim, fromFilter.cachedImage(), fromFilter.filterOperations(), FilterOperations(), progress);
</span><span class="cx">         }
</span><span class="cx">         // FIXME: Add interpolation between cross-fade and image source.
</span><span class="lines">@@ -332,7 +332,7 @@
</span><span class="cx">         CSSImageGeneratorValue&amp; toGenerated = toStyleGeneratedImage(to)-&gt;imageValue();
</span><span class="cx">         if (toGenerated.isFilterImageValue()) {
</span><span class="cx">             CSSFilterImageValue&amp; toFilter = toCSSFilterImageValue(toGenerated);
</span><del>-            if (toFilter.cachedImage() &amp;&amp; static_cast&lt;StyleCachedImage*&gt;(from)-&gt;cachedImage() == toFilter.cachedImage())     
</del><ins>+            if (toFilter.cachedImage() &amp;&amp; toStyleCachedImage(from)-&gt;cachedImage() == toFilter.cachedImage())     
</ins><span class="cx">                 return blendFilter(anim, toFilter.cachedImage(), FilterOperations(), toFilter.filterOperations(), progress);
</span><span class="cx">         }
</span><span class="cx"> #endif
</span><span class="lines">@@ -342,7 +342,7 @@
</span><span class="cx">     // FIXME: Add support cross fade between cached and generated images.
</span><span class="cx">     // https://bugs.webkit.org/show_bug.cgi?id=78293
</span><span class="cx">     if (from-&gt;isCachedImage() &amp;&amp; to-&gt;isCachedImage())
</span><del>-        return crossfadeBlend(anim, static_cast&lt;StyleCachedImage*&gt;(from), static_cast&lt;StyleCachedImage*&gt;(to), progress);
</del><ins>+        return crossfadeBlend(anim, toStyleCachedImage(from), toStyleCachedImage(to), progress);
</ins><span class="cx"> 
</span><span class="cx">     return to;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleCachedImageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleCachedImage.h (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleCachedImage.h        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/rendering/style/StyleCachedImage.h        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -64,5 +64,7 @@
</span><span class="cx">     CachedResourceHandle&lt;CachedImage&gt; m_image;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+STYLE_IMAGE_TYPE_CASTS(StyleCachedImage, StyleImage, isCachedImage)
+
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleCachedImageSeth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleCachedImageSet.h (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleCachedImageSet.h        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/rendering/style/StyleCachedImageSet.h        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -83,6 +83,8 @@
</span><span class="cx">     CSSImageSetValue* m_imageSetValue; // Not retained; it owns us.
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+STYLE_IMAGE_TYPE_CASTS(StyleCachedImageSet, StyleImage, isCachedImageSet)
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(CSS_IMAGE_SET)
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleGeneratedImageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleGeneratedImage.h (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleGeneratedImage.h        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/rendering/style/StyleGeneratedImage.h        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -63,11 +63,7 @@
</span><span class="cx">     bool m_fixedSize;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-inline StyleGeneratedImage* toStyleGeneratedImage(StyleImage* image)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!image || image-&gt;isGeneratedImage());
-    return static_cast&lt;StyleGeneratedImage*&gt;(image);
-}
</del><ins>+STYLE_IMAGE_TYPE_CASTS(StyleGeneratedImage, StyleImage, isGeneratedImage)
</ins><span class="cx"> 
</span><span class="cx"> }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleImageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleImage.h (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleImage.h        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/rendering/style/StyleImage.h        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -93,5 +93,8 @@
</span><span class="cx">     bool m_isCachedImageSet : 1;
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+#define STYLE_IMAGE_TYPE_CASTS(ToClassName, FromClassName, predicate) \
+    TYPE_CASTS_BASE(ToClassName, FromClassName, resource, resource-&gt;predicate(), resource.predicate())
+
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStylePendingImageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StylePendingImage.h (164297 => 164298)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StylePendingImage.h        2014-02-18 18:58:50 UTC (rev 164297)
+++ trunk/Source/WebCore/rendering/style/StylePendingImage.h        2014-02-18 19:10:38 UTC (rev 164298)
</span><span class="lines">@@ -86,6 +86,8 @@
</span><span class="cx">     CSSValue* m_value; // Not retained; it owns us.
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+STYLE_IMAGE_TYPE_CASTS(StylePendingImage, StyleImage, isPendingImage)
+
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre>
</div>
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