ash: Record some additional information about the gestures.

ui/base/gestures/gesture_sequence.h

Index: ui/base/gestures/gesture_sequence.h
diff --git a/ui/base/gestures/gesture_sequence.h b/ui/base/gestures/gesture_sequence.h
index a8be2a62ab00f7a9ad8e5d1c2c11cdf10f937e0b..8199bca21e4821140936b2acf3525a5caaea1a2e 100644
--- a/ui/base/gestures/gesture_sequence.h
+++ b/ui/base/gestures/gesture_sequence.h
@@ -75,6 +75,15 @@ class UI_EXPORT GestureSequence {
 
   bool IsSecondTouchDownCloseEnoughForTwoFingerTap();
 
+  // Creates a gesture event with the specified parameters. The function updates
+  // |details| to contain some common information (e.g. number of touch-points
+  // in the gesture etc.).
+  GestureEvent* CreateGestureEvent(GestureEventDetails details,

[sky, 2012/07/21 00:01:54]

const GestureEventDetails& (make a copy in the implementation). Update the
description too, since it makes it sound like it updates the value the caller
provided, but that isn't the case.

[sadrul, 2012/07/21 00:55:40]

Done.

+                                   const gfx::Point& location,
+                                   int flags,
+                                   base::Time timestamp,
+                                   unsigned int touch_id_bitmask);
+
   // Functions to be called to add GestureEvents, after successful recognition.
 
   // Tap gestures.