Add touch events to the protocol, the stub layer, and to the client plugin.

remoting/protocol/input_event_tracker.cc

Index: remoting/protocol/input_event_tracker.cc
diff --git a/remoting/protocol/input_event_tracker.cc b/remoting/protocol/input_event_tracker.cc
index 446a4b623898424f8e94afa7ead2a3e2d66175e7..33922db00ea73df045e05ff5997d587a4d4795f7 100644
--- a/remoting/protocol/input_event_tracker.cc
+++ b/remoting/protocol/input_event_tracker.cc
@@ -92,5 +92,9 @@ void InputEventTracker::InjectMouseEvent(const MouseEvent& event) {
   input_stub_->InjectMouseEvent(event);
 }
 
+void InputEventTracker::InjectTouchEvent(const TouchEvent& event) {
+  input_stub_->InjectTouchEvent(event);

[Wez, 2015/01/21 03:08:37]

Don't you need to track the touch points so you can inject a CANCEL event in
ReleaseAll()?

[Rintaro Kuroiwa, 2015/01/28 01:12:30]

Oops. I didn't read the header file carefully. Done and added tests.

+}
+
 }  // namespace protocol
 }  // namespace remoting