Allows fullscreen to be triggered with the key events used for scrolling.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index d2fdd8f259ae2708940c684401013cf1c5f620d1..d999d60e1c6f4c25489b7da704d154cd9df77394 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -518,6 +518,7 @@ class CONTENT_EXPORT RenderViewImpl
   // date and time input fields using MULTIPLE_FIELDS_UI
   virtual bool openDateTimeChooser(const WebKit::WebDateTimeChooserParams&,
                                    WebKit::WebDateTimeChooserCompletion*);
+  virtual void didScrollWithKeyboard(const WebKit::WebSize& delta);
 #endif
 
   // WebKit::WebFrameClient implementation -------------------------------------
@@ -1358,6 +1359,12 @@ class CONTENT_EXPORT RenderViewImpl
   // much about leaks.
   IDMap<ContextMenuClient, IDMapExternalPointer> pending_context_menus_;
 
+#if defined(OS_ANDROID)
+  // Cache the old top controls state constraints. Used when updating
+  // current value only without altering the constraints.
+  cc::TopControlsState top_controls_constraints_;
+#endif
+
   // View ----------------------------------------------------------------------
 
   // Cache the preferred size of the page in order to prevent sending the IPC