Add the plumbing that will carry a clipboard item from a chromoting client to a host.

remoting/host/event_executor_win.cc

Index: remoting/host/event_executor_win.cc
diff --git a/remoting/host/event_executor_win.cc b/remoting/host/event_executor_win.cc
index af662254e75e6280e6836ecba5144813aa0d36b3..caf113c14d9bbe98da8f3f320f6c367c62e5e27c 100644
--- a/remoting/host/event_executor_win.cc
+++ b/remoting/host/event_executor_win.cc
@@ -15,8 +15,8 @@
 
 namespace remoting {
 
-using protocol::MouseEvent;
 using protocol::KeyEvent;
+using protocol::MouseEvent;
 
 namespace {
 
@@ -26,6 +26,11 @@ class EventExecutorWin : public EventExecutor {
   EventExecutorWin(MessageLoop* message_loop, Capturer* capturer);
   virtual ~EventExecutorWin() {}
 
+  // ClipboardStub interface.
+  virtual void InjectClipboardEvent(const protocol::ClipboardEvent& event)
+      OVERRIDE;
+
+  // InputStub interface.
   virtual void InjectKeyEvent(const KeyEvent& event) OVERRIDE;
   virtual void InjectMouseEvent(const MouseEvent& event) OVERRIDE;
 
@@ -45,6 +50,11 @@ EventExecutorWin::EventExecutorWin(MessageLoop* message_loop,
       capturer_(capturer) {
 }
 
+void EventExecutorWin::InjectClipboardEvent(
+    const protocol::ClipboardEvent& event) {
+  // TODO(simonmorris): Implement clipboard injection.
+}
+
 void EventExecutorWin::InjectKeyEvent(const KeyEvent& event) {
   if (MessageLoop::current() != message_loop_) {
     message_loop_->PostTask(