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 83c4a9e02ee2c6f86c8b2da7aadb5ae628577bd5..bfaa2ee40911e73d342ea3ac7e874c1ba99ccbe1 100644
--- a/third_party/WebKit/public/web/WebWidget.h
+++ b/third_party/WebKit/public/web/WebWidget.h
@@ -239,10 +239,6 @@ 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) { }