Hide location bar on Javascript-initiated scroll.

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 7d7e8f33803bae80773c0b110cc18faf1bdaa9d1..61081f4de52bcd5fb91fa5125ec1cc4a0b72523c 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -20,6 +20,7 @@
 #include "base/process.h"
 #include "base/timer.h"
 #include "build/build_config.h"
+#include "cc/input/top_controls_state.h"
 #include "content/common/content_export.h"
 #include "content/common/drag_event_source_info.h"
 #include "content/common/edit_command.h"
@@ -31,6 +32,7 @@
 #include "content/public/common/referrer.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/stop_find_action.h"
+#include "content/public/common/top_controls_state.h"
 #include "content/public/renderer/render_view.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
 #include "content/renderer/render_view_pepper_helper.h"
@@ -725,6 +727,9 @@ class CONTENT_EXPORT RenderViewImpl
   virtual SSLStatus GetSSLStatusOfFrame(WebKit::WebFrame* frame) const OVERRIDE;
 #if defined(OS_ANDROID)
   virtual skia::RefPtr<SkPicture> CapturePicture() OVERRIDE;
+  virtual void UpdateTopControlsState(TopControlsState constraints,
+                                      TopControlsState current,
+                                      bool animate) OVERRIDE;
 #endif
 
   // webkit_glue::WebPluginPageDelegate implementation -------------------------