Navigation transitions (web to native app): Revert exit transition (Blink side)

Source/core/dom/TreeScopeStyleSheetCollection.h

Index: Source/core/dom/TreeScopeStyleSheetCollection.h
diff --git a/Source/core/dom/TreeScopeStyleSheetCollection.h b/Source/core/dom/TreeScopeStyleSheetCollection.h
index 4ad5ec62bce1ad14e9473ab5e6e15c9a54011f5d..3784ddd5e738b2471456814171d0b9328d485c2c 100644
--- a/Source/core/dom/TreeScopeStyleSheetCollection.h
+++ b/Source/core/dom/TreeScopeStyleSheetCollection.h
@@ -57,6 +57,7 @@ public:
 
     void clearMediaQueryRuleSetStyleSheets();
     void enableExitTransitionStylesheets();
+    void disableExitTransitionStylesheets();

[Nate Chapin, 2014/12/05 23:11:36]

Would it be better to use the same function here and throughout? I don't have a
strong opinion whether it's better to have separate enable/disable functions, or
a single setExitTransitionStyleshetsEnabled(bool).

[Zhen Wang, 2014/12/06 00:57:37]

Done.

 
     virtual void trace(Visitor*) override;