Plumb CompositedDisplayList to WebViewImpl

Source/core/page/Page.h

Index: Source/core/page/Page.h
diff --git a/Source/core/page/Page.h b/Source/core/page/Page.h
index db79ad41952be94af326a559751c0bc50d7ff22c..bbb40f6a6721c1a30cd1bf94181281e758f434db 100644
--- a/Source/core/page/Page.h
+++ b/Source/core/page/Page.h
@@ -46,6 +46,7 @@ namespace blink {
 class AutoscrollController;
 class ChromeClient;
 class ClientRectList;
+class CompositedDisplayList;
 class ContextMenuClient;
 class ContextMenuController;
 class Document;
@@ -198,6 +199,9 @@ public:
 
     void acceptLanguagesChanged();
 
+    void setCompositedDisplayList(PassOwnPtr<CompositedDisplayList>);
+    CompositedDisplayList* compositedDisplayListForTesting();
+
     static void networkStateChanged(bool online);
 
     DECLARE_TRACE();