OverscrollGlow for mainThread-{BLINK CHANGES}

Source/core/page/ChromeClient.h

Index: Source/core/page/ChromeClient.h
diff --git a/Source/core/page/ChromeClient.h b/Source/core/page/ChromeClient.h
index e00b9114b1445f7a901fc779242d310ea5c25aa4..8fc4e4d848d89d707948075daef591fe35ec0bb5 100644
--- a/Source/core/page/ChromeClient.h
+++ b/Source/core/page/ChromeClient.h
@@ -50,6 +50,7 @@ class DateTimeChooserClient;
 class Element;
 class FileChooser;
 class Frame;
+class FloatPoint;
 class GraphicsContext;
 class GraphicsLayer;
 class GraphicsLayerFactory;
@@ -103,6 +104,9 @@ public:
 
     void setWindowFeatures(const WindowFeatures&);
 
+    // Pass on values for overscroll glow animation on main thread.

[bokan, 2015/06/03 19:12:19]

This kind of comment is bound to become stale. If a comment is needed here, it
should describe what overscroll is, rather than what downstream code will do
with it.

[MuVen, 2015/06/04 11:19:58]

removing comment, as API explains what it does.

+    virtual void didOverscroll(const FloatSize&, const FloatSize&, const FloatPoint&, const FloatSize&) = 0;
+
     virtual void setToolbarsVisible(bool) = 0;
     virtual bool toolbarsVisible() = 0;