Support GestureBegin and GestureEnd in ui::GestureProvider

ui/events/gesture_detection/gesture_provider.h

Index: ui/events/gesture_detection/gesture_provider.h
diff --git a/ui/events/gesture_detection/gesture_provider.h b/ui/events/gesture_detection/gesture_provider.h
index d8542194ccecf19864e1a337354629a2826a9816..8fdb03fa591837df06c30ba5b10026201c149cce 100644
--- a/ui/events/gesture_detection/gesture_provider.h
+++ b/ui/events/gesture_detection/gesture_provider.h
@@ -33,6 +33,7 @@ class GESTURE_DETECTION_EXPORT GestureProvider {
     ScaleGestureDetector::Config scale_gesture_detector_config;
     SnapScrollController::Config snap_scroll_controller_config;
     bool disable_click_delay;
+    bool send_aura_specific_gestures;

[jdduke (slow), 2014/04/03 20:17:16]

Until we have more gestures, let's be specific with the variable name here, i.e.
|gesture_begin_end_types_enabled_|, or something like that.

[tdresser, 2014/04/03 21:14:41]

Done.

   };
 
   GestureProvider(const Config& config, GestureProviderClient* client);
@@ -93,6 +94,7 @@ class GESTURE_DETECTION_EXPORT GestureProvider {
   bool SendLongTapIfNecessary(const MotionEvent& event);
   void EndTouchScrollIfNecessary(base::TimeTicks time,
                                  bool send_scroll_end_event);
+  void SendGestureBeginOrEndIfNecessary(const MotionEvent& event);
 
   GestureProviderClient* const client_;
 
@@ -124,6 +126,8 @@ class GESTURE_DETECTION_EXPORT GestureProvider {
   // opened after a GESTURE_LONG_PRESS, this is used to insert a
   // GESTURE_TAP_CANCEL for removing any ::active styling.
   base::TimeTicks current_longpress_time_;
+
+  bool send_aura_specific_gestures_;
 };
 
 }  //  namespace ui