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

remoting/host/desktop_environment.cc

Index: remoting/host/desktop_environment.cc
diff --git a/remoting/host/desktop_environment.cc b/remoting/host/desktop_environment.cc
index 4b5c5c1a120e930cdee2a9f7632bd9b82ce2ec73..e52140178f1c5bfc0c657157674a94d4a8589fc7 100644
--- a/remoting/host/desktop_environment.cc
+++ b/remoting/host/desktop_environment.cc
@@ -88,8 +88,9 @@ DesktopEnvironment::DesktopEnvironment(
 DesktopEnvironment::~DesktopEnvironment() {
 }
 
-void DesktopEnvironment::OnSessionStarted() {
-  event_executor_->OnSessionStarted();
+void DesktopEnvironment::OnSessionStarted(
+    const scoped_refptr<protocol::ClipboardProxy>& client_clipboard) {
+  event_executor_->OnSessionStarted(client_clipboard);
 }
 
 void DesktopEnvironment::OnSessionFinished() {