[Chromoting] Let the Windows IT2Me host send clipboard events to the client.

remoting/host/event_executor_mac.cc

Index: remoting/host/event_executor_mac.cc
diff --git a/remoting/host/event_executor_mac.cc b/remoting/host/event_executor_mac.cc
index 6058b42e097ad92bdab435a34e003b4a2562c0a5..1ea36121aaa1ceab89b7ffb2cc20d21b5fc5fad5 100644
--- a/remoting/host/event_executor_mac.cc
+++ b/remoting/host/event_executor_mac.cc
@@ -42,7 +42,8 @@ class EventExecutorMac : public EventExecutor {
   virtual void InjectMouseEvent(const MouseEvent& event) OVERRIDE;
 
   // EventExecutor interface.
-  virtual void OnSessionStarted() OVERRIDE;
+  virtual void OnSessionStarted(
+      const scoped_refptr<protocol::ClipboardProxy>& client_clipboard) OVERRIDE;
   virtual void OnSessionFinished() OVERRIDE;
 
  private:
@@ -326,7 +327,8 @@ void EventExecutorMac::InjectMouseEvent(const MouseEvent& event) {
   }
 }
 
-void EventExecutorMac::OnSessionStarted() {
+void EventExecutorMac::OnSessionStarted(
+    const scoped_refptr<protocol::ClipboardProxy>& client_clipboard) {
   return;
 }