Fix main thread top controls scrolling to mirror CC.

third_party/WebKit/public/web/WebWidget.h

Index: third_party/WebKit/public/web/WebWidget.h
diff --git a/third_party/WebKit/public/web/WebWidget.h b/third_party/WebKit/public/web/WebWidget.h
index 04ba9c0d6474e112e6d6f5a684e5750c3a291575..b59bb6b15dae5e4c2d02f1bf4d0bb4ff705a5cb3 100644
--- a/third_party/WebKit/public/web/WebWidget.h
+++ b/third_party/WebKit/public/web/WebWidget.h
@@ -246,10 +246,6 @@ public:
     // but not the select popup.
     virtual WebPagePopup* pagePopup() const { return 0; }
 
-    // Notification about the top controls height.  If the boolean is true, then
-    // the embedder shrunk the WebView size by the top controls height.
-    virtual void setTopControlsHeight(float height, bool topControlsShrinkLayoutSize) { }
-
     // Updates top controls constraints and current state. Allows embedder to
     // control what are valid states for top controls and if it should animate.
     virtual void updateTopControlsState(WebTopControlsState constraints, WebTopControlsState current, bool animate) { }