Add InputEventTimestampSource interface.

remoting/protocol/fake_connection_to_client.cc

Index: remoting/protocol/fake_connection_to_client.cc
diff --git a/remoting/protocol/fake_connection_to_client.cc b/remoting/protocol/fake_connection_to_client.cc
index b5f09be5aed1b0c930bb19a7b545c1e67222ed76..b8556b08d7ac24cb9dc08e6cece08437026a037a 100644
--- a/remoting/protocol/fake_connection_to_client.cc
+++ b/remoting/protocol/fake_connection_to_client.cc
@@ -19,9 +19,10 @@ namespace protocol {
 FakeVideoStream::FakeVideoStream() : weak_factory_(this) {}
 FakeVideoStream::~FakeVideoStream() {}
 
-void FakeVideoStream::Pause(bool pause) {}
+void FakeVideoStream::SetEventTimestampsSource(
+    scoped_refptr<InputEventTimestampsSource> event_timestamps_source) {}
 
-void FakeVideoStream::OnInputEventReceived(int64_t event_timestamp) {}
+void FakeVideoStream::Pause(bool pause) {}
 
 void FakeVideoStream::SetLosslessEncode(bool want_lossless) {}