Change StyleResolver::document() to be private

Source/core/animation/css/CSSAnimations.cpp

Index: Source/core/animation/css/CSSAnimations.cpp
diff --git a/Source/core/animation/css/CSSAnimations.cpp b/Source/core/animation/css/CSSAnimations.cpp
index 7ef17650d7e287147efd9aa61ef85e1ff87f13c9..7dc1628605b7bff41b52f0ec20a663bacfa985dc 100644
--- a/Source/core/animation/css/CSSAnimations.cpp
+++ b/Source/core/animation/css/CSSAnimations.cpp
@@ -201,7 +201,7 @@ static void resolveKeyframes(StyleResolver* resolver, const Element* animatingEl
 const StyleRuleKeyframes* CSSAnimations::matchScopedKeyframesRule(StyleResolver* resolver, const Element* element, const StringImpl* animationName)
 {
     // FIXME: This is all implementation detail of style resolver, CSSAnimations shouldn't be reaching into any of it.

[rune, 2014/09/24 08:16:20]

Fixing this FIXME would make more sense.

[Timothy Loh, 2014/09/24 08:20:10]

I think esprehn has a patch up for this somewhere.

[esprehn, 2014/09/24 08:39:33]

Yeah we can do that in a separate patch.

-    if (resolver->document().styleEngine()->hasOnlyScopedResolverForDocument())
+    if (element->document().styleEngine()->hasOnlyScopedResolverForDocument())
         return element->document().scopedStyleResolver()->keyframeStylesForAnimation(animationName);
 
     WillBeHeapVector<RawPtrWillBeMember<ScopedStyleResolver>, 8> stack;