Implement video frame acknowledgements in the chromoting protocol.

remoting/host/video_scheduler_unittest.cc

Index: remoting/host/video_scheduler_unittest.cc
diff --git a/remoting/host/video_scheduler_unittest.cc b/remoting/host/video_scheduler_unittest.cc
index 5adfafa0c9ead7bcee9e69f934ab0d5bc8cfe7df..1c4500708bb311852e789cd83ad49f7c725a34d0 100644
--- a/remoting/host/video_scheduler_unittest.cc
+++ b/remoting/host/video_scheduler_unittest.cc
@@ -25,7 +25,7 @@
 #include "third_party/webrtc/modules/desktop_capture/screen_capturer_mock_objects.h"
 
 using ::remoting::protocol::MockClientStub;
-using ::remoting::protocol::MockVideoStub;
+using ::remoting::protocol::MockVideoSender;
 
 using ::testing::_;
 using ::testing::AtLeast;
@@ -156,7 +156,7 @@ class VideoSchedulerTest : public testing::Test {
   scoped_refptr<VideoScheduler> scheduler_;
 
   MockClientStub client_stub_;
-  MockVideoStub video_stub_;
+  MockVideoSender video_sender_;
 
   // Points to the callback passed to webrtc::DesktopCapturer::Start().
   webrtc::DesktopCapturer::Callback* capturer_callback_;
@@ -202,7 +202,7 @@ void VideoSchedulerTest::StartVideoScheduler(
       mouse_monitor.Pass(),
       encoder.Pass(),
       &client_stub_,
-      &video_stub_);
+      &video_sender_);
   scheduler_->Start();
 }
 
@@ -300,11 +300,11 @@ TEST_F(VideoSchedulerTest, StartAndStop) {
       .WillRepeatedly(FinishEncode());
 
   // By default delete the arguments when ProcessVideoPacket is received.
-  EXPECT_CALL(video_stub_, ProcessVideoPacketPtr(_, _))
+  EXPECT_CALL(video_sender_, ProcessVideoPacketPtr(_, _))
       .WillRepeatedly(FinishSend());
 
   // When the first ProcessVideoPacket is received we stop the VideoScheduler.
-  EXPECT_CALL(video_stub_, ProcessVideoPacketPtr(_, _))
+  EXPECT_CALL(video_sender_, ProcessVideoPacketPtr(_, _))
       .WillOnce(DoAll(
           FinishSend(),
           InvokeWithoutArgs(this, &VideoSchedulerTest::StopVideoScheduler)))