Rename sequence_number to timestamp.

remoting/protocol/connection_to_client.cc

Index: remoting/protocol/connection_to_client.cc
diff --git a/remoting/protocol/connection_to_client.cc b/remoting/protocol/connection_to_client.cc
index 0da2324e55db79a1802d26f4e6a2b6b3601e75e5..2135190b809257605ca11267eebe8b59efc4ef14 100644
--- a/remoting/protocol/connection_to_client.cc
+++ b/remoting/protocol/connection_to_client.cc
@@ -50,9 +50,9 @@ void ConnectionToClient::Disconnect() {
   session_->Close();
 }
 
-void ConnectionToClient::UpdateSequenceNumber(int64 sequence_number) {
+void ConnectionToClient::OnEventTimestamp(int64 sequence_number) {
   DCHECK(CalledOnValidThread());
-  handler_->OnSequenceNumberUpdated(this, sequence_number);
+  handler_->OnEventTimestamp(this, sequence_number);
 }
 
 VideoStub* ConnectionToClient::video_stub() {
@@ -132,8 +132,8 @@ void ConnectionToClient::OnSessionStateChange(Session::State state) {
           base::Bind(&ConnectionToClient::OnChannelInitialized,
                      base::Unretained(this)));
       event_dispatcher_->set_input_stub(input_stub_);
-      event_dispatcher_->set_sequence_number_callback(base::Bind(
-          &ConnectionToClient::UpdateSequenceNumber, base::Unretained(this)));
+      event_dispatcher_->set_event_timestamp_callback(base::Bind(
+          &ConnectionToClient::OnEventTimestamp, base::Unretained(this)));
 
       video_dispatcher_.reset(new HostVideoDispatcher());
       video_dispatcher_->Init(