Navigation transitions: Added notifyTransitionsShown and setupTransitionsView to WebLocalFrame

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index 9a7b8c56cacc0cce2a13b76fe7d20707ece7a9e2..289b8692110256bdff7b212c129f92e49e331cf2 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -426,6 +426,7 @@ public:
 
     bool isTransitionDocument() const { return m_isTransitionDocument; }
     void setIsTransitionDocument() { m_isTransitionDocument = true; }
+    void hideTransitionElements(unsigned elementsToHide);

[abarth-chromium, 2014/06/21 05:38:36]

I don't understand what it means to represent a set of elements to hide as an
unsigned.

 
     StyleResolver* styleResolver() const;
     StyleResolver& ensureStyleResolver() const;