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

remoting/host/input_injector_win.cc

Index: remoting/host/input_injector_win.cc
diff --git a/remoting/host/input_injector_win.cc b/remoting/host/input_injector_win.cc
index 30c1cd769e0acb283c7fc4c01f739ad66c0e94a5..e7ce1b7abaa5eb13558b5c6ecbdd4337ce92d833 100644
--- a/remoting/host/input_injector_win.cc
+++ b/remoting/host/input_injector_win.cc
@@ -51,6 +51,7 @@ using protocol::ClipboardEvent;
 using protocol::KeyEvent;
 using protocol::TextEvent;
 using protocol::MouseEvent;
+using protocol::TouchEvent;
 
 // A class to generate events on Windows.
 class InputInjectorWin : public InputInjector {
@@ -66,6 +67,7 @@ class InputInjectorWin : public InputInjector {
   virtual void InjectKeyEvent(const KeyEvent& event) override;
   virtual void InjectTextEvent(const TextEvent& event) override;
   virtual void InjectMouseEvent(const MouseEvent& event) override;
+  virtual void InjectTouchEvent(const TouchEvent& event) override;
 
   // InputInjector interface.
   virtual void Start(
@@ -137,6 +139,10 @@ void InputInjectorWin::InjectMouseEvent(const MouseEvent& event) {
   core_->InjectMouseEvent(event);
 }
 
+void InputInjectorWin::InjectTouchEvent(const TouchEvent& event) {
+  NOTIMPLEMENTED() << "Raw touch event injection not implemented for Windows.";
+}
+
 void InputInjectorWin::Start(
     scoped_ptr<protocol::ClipboardStub> client_clipboard) {
   core_->Start(client_clipboard.Pass());