[CRD iOS] Ignore touch event when the touch point is out of the canvas in direct input mode

remoting/client/ui/gesture_interpreter.h

Index: remoting/client/ui/gesture_interpreter.h
diff --git a/remoting/client/ui/gesture_interpreter.h b/remoting/client/ui/gesture_interpreter.h
index 6a97e77b9d844e166b4530513669b58af9bdbe16..0af645eb293191d024d398786a6cd21030b816df 100644
--- a/remoting/client/ui/gesture_interpreter.h
+++ b/remoting/client/ui/gesture_interpreter.h
@@ -91,10 +91,6 @@ class GestureInterpreter {
   void SetGestureInProgress(InputStrategy::Gesture gesture,
                             bool is_in_progress);
 
-  // Tracks the touch point and gets back the cursor position from the input
-  // strategy.
-  ViewMatrix::Point TrackAndGetPosition(float touch_x, float touch_y);
-
   // Starts the given feedback at (cursor_x, cursor_y) if the feedback radius
   // is non-zero.
   void StartInputFeedback(float cursor_x,