RenderStyle operator== incorrect for shape-outside and clip-path.

Source/core/rendering/style/ShapeValue.h

Index: Source/core/rendering/style/ShapeValue.h
diff --git a/Source/core/rendering/style/ShapeValue.h b/Source/core/rendering/style/ShapeValue.h
index 34de7741b1ad740be0f7041ed8ee4530b555c26b..5d846b6cc3d211b2156b5eade47404bc779f24e6 100644
--- a/Source/core/rendering/style/ShapeValue.h
+++ b/Source/core/rendering/style/ShapeValue.h
@@ -32,6 +32,7 @@
 
 #include "core/fetch/ImageResource.h"
 #include "core/rendering/style/BasicShapes.h"
+#include "core/rendering/style/DataEquivalency.h"
 #include "core/rendering/style/RenderStyleConstants.h"
 #include "core/rendering/style/StyleImage.h"
 #include "wtf/PassRefPtr.h"
@@ -122,11 +123,11 @@ inline bool ShapeValue::operator==(const ShapeValue& other) const
 
     switch (type()) {
     case Shape:
-        return shape() == other.shape() && cssBox() == other.cssBox();
+        return dataEquivalent(shape(), other.shape()) && cssBox() == other.cssBox();
     case Box:
         return cssBox() == other.cssBox();
     case Image:
-        return image() == other.image();
+        return dataEquivalent(image(), other.image());
     }
 
     ASSERT_NOT_REACHED();