Initial views touchui Gesture Recognizer support

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index 5f0d55c50d45d4bf4ca433e02bd9c70548fe9a68..dfe1cc4191e6d58da2d4ce7c124d5d2d63035a9b 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -582,6 +582,10 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // does nothing. Override as needed.
   virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event);
 
+  // This method is invoked for each GestureEvent recognized from GestureManager
+  // Default implementation does nothing. Override as needed.
+  virtual ui::GestureStatus OnGestureEvent(const GestureEvent& event);
+
   // Set the MouseHandler for a drag session.
   //
   // A drag session is a stream of mouse events starting
@@ -1257,6 +1261,10 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // the result of OnTouchEvent.
   ui::TouchStatus ProcessTouchEvent(const TouchEvent& event);
 
+  // GestureManager will invoke this with incoming GestureEvents. Returns the
+  // the result of OnGestureEvent.
+  ui::GestureStatus ProcessGestureEvent(const GestureEvent& event);
+
   // Accelerators --------------------------------------------------------------
 
   // Registers this view's keyboard accelerators that are not registered to