Ensure that trackpad and trackpoint scrolling works on Windows desktop Aura with legacy trackpad dr…

ui/views/win/hwnd_message_handler_delegate.h

Index: ui/views/win/hwnd_message_handler_delegate.h
===================================================================
--- ui/views/win/hwnd_message_handler_delegate.h	(revision 243629)
+++ ui/views/win/hwnd_message_handler_delegate.h	(working copy)
@@ -237,6 +237,10 @@
                              WPARAM w_param,
                              LPARAM l_param) = 0;
 
+  // Called when a mouse event is received. Returns true if the event was

[sky, 2014/01/10 16:43:21]

mouse->scroll

[ananta, 2014/01/10 18:59:21]

Done.

+  // handled by the delegate.
+  virtual bool HandleScrollEvent(const ui::ScrollEvent& event) = 0;
+
  protected:
   virtual ~HWNDMessageHandlerDelegate() {}
 };