[CRD iOS] Add support for three-finger gestures

remoting/client/gesture_interpreter.h

Index: remoting/client/gesture_interpreter.h
diff --git a/remoting/client/gesture_interpreter.h b/remoting/client/gesture_interpreter.h
index d55e554589a537e158c2dfad3636f57c3fd51954..66642e5d1c2c4dc1ada5cacc639cd08a0c0791af 100644
--- a/remoting/client/gesture_interpreter.h
+++ b/remoting/client/gesture_interpreter.h
@@ -54,6 +54,8 @@ class GestureInterpreter {
 
   void TwoFingerTap(float x, float y);
 
+  void ThreeFingerTap(float x, float y);
+
   // Caller is expected to call both Pan() and Drag() when dragging is in
   // progress.
   void Drag(float x, float y, GestureState state);
@@ -82,8 +84,9 @@ class GestureInterpreter {
 
   void AbortAnimations();
 
-  void InjectMouseClick(float x,
-                        float y,
+  // Injects the mouse click event and shows the touch feedback.
+  void InjectMouseClick(float touch_x,
+                        float touch_y,
                         protocol::MouseEvent_MouseButton button);
 
   void InjectCursorPosition(float x, float y);