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

remoting/client/plugin/pepper_input_handler.h

Index: remoting/client/plugin/pepper_input_handler.h
diff --git a/remoting/client/plugin/pepper_input_handler.h b/remoting/client/plugin/pepper_input_handler.h
index 299077ff10e226d575f73429ea3b01cca62efd2a..fc942cc1da17f462aec8481605ae7eb6828be2a8 100644
--- a/remoting/client/plugin/pepper_input_handler.h
+++ b/remoting/client/plugin/pepper_input_handler.h
@@ -37,6 +37,10 @@ class PepperInputHandler {
     send_mouse_move_deltas_ = enable;
   }
 
+  void set_send_touch_events(bool send) {

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

See comments in ChromotingInstance re this

[Rintaro Kuroiwa, 2015/01/28 01:12:29]

Done.

+    send_touch_events_ = send;
+  }
+
   // Processes PPAPI events and dispatches them to |input_stub_|.
   bool HandleInputEvent(const pp::InputEvent& event);
 
@@ -58,6 +62,9 @@ class PepperInputHandler {
   // absolute position information, in mouse events.
   bool send_mouse_move_deltas_;
 
+  // True if the plugin should handle raw touch events.
+  bool send_touch_events_;
+
   // Accumulated sub-pixel and sub-tick deltas from wheel events.
   float wheel_delta_x_;
   float wheel_delta_y_;