Added multi-finger gestures to touch_exploration_controller

ui/chromeos/touch_exploration_controller.h

Index: ui/chromeos/touch_exploration_controller.h
diff --git a/ui/chromeos/touch_exploration_controller.h b/ui/chromeos/touch_exploration_controller.h
index 877163635795b1b376a574bd2e78a1cebce1f3a3..5764d716220ad09d668b71bae0a2cc9a1b809c38 100644
--- a/ui/chromeos/touch_exploration_controller.h
+++ b/ui/chromeos/touch_exploration_controller.h
@@ -212,9 +212,12 @@ class UI_CHROMEOS_EXPORT TouchExplorationController
 
   void SideSlideControl(ui::GestureEvent* gesture);
 
-  // Dispatches the keyboard short cut Shift+Search+<arrow key>
+  // Dispatches the keyboard short cut Shift+Search+<key>
   // outside the event rewritting flow.
-  void DispatchShiftSearchKeyEvent(const ui::KeyboardCode direction);
+  void DispatchShiftSearchKeyEvent(const ui::KeyboardCode third_key);
+
+  // Dispatches a single key with no flags.
+  void DispatchKeyWithNoFlags(const ui::KeyboardCode key);
 
   scoped_ptr<ui::Event> CreateMouseMoveEvent(const gfx::PointF& location,
                                              int flags);
@@ -394,6 +397,11 @@ class UI_CHROMEOS_EXPORT TouchExplorationController
   // This toggles whether VLOGS are turned on or not.
   bool VLOG_on_;
 
+  // This will ensure touch events continue to be sent to the gesture
+  // provider after a gesture ends, so that pointer ids are updated.
+  // It's initialized to false and set to false in ResetToNoFingersDown.

[aboxhall, 2014/07/30 00:25:16]

Where is it set to true?

[evy, 2014/08/04 23:06:30]

(this variable was removed, the code flow should be a bit smoother)

+  bool send_gesture_events_;
+
   // When touch_exploration_controller gets time relative to real time during
   // testing, this clock is set to the simulated clock and used.
   base::TickClock* tick_clock_;