[Chromoting] Add plumbing to carry clipboard events from the host to the client.

remoting/client/chromoting_client.cc

Index: remoting/client/chromoting_client.cc
diff --git a/remoting/client/chromoting_client.cc b/remoting/client/chromoting_client.cc
index 74f631389582436ddb37bc8d74ea79a83e80e71e..f37a2cdf3cd1a4169634d52db325f96536cbeda1 100644
--- a/remoting/client/chromoting_client.cc
+++ b/remoting/client/chromoting_client.cc
@@ -61,7 +61,7 @@ void ChromotingClient::Start(scoped_refptr<XmppProxy> xmpp_proxy) {
 
   connection_->Connect(xmpp_proxy, config_.local_jid, config_.host_jid,
                        config_.host_public_key, authenticator.Pass(),
-                       this, this, this);
+                       this, this, this, this);
 
   if (!view_->Initialize()) {
     ClientDone();
@@ -104,6 +104,12 @@ ChromotingStats* ChromotingClient::GetStats() {
   return &stats_;
 }
 
+void ChromotingClient::InjectClipboardEvent(
+    const protocol::ClipboardEvent& event) {
+  // TODO(simonmorris): Pass the clipboard event to the webapp.
+  return;
+}
+
 void ChromotingClient::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
                                           const base::Closure& done) {
   DCHECK(message_loop()->BelongsToCurrentThread());