Cast: deliver video frames on the IO thread

content/renderer/media/video_source_handler_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
+#include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/child_process.h"
+#include "content/common/media/video_capture.h"
 #include "content/public/renderer/media_stream_video_sink.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_registry_interface.h"
 #include "content/renderer/media/mock_media_stream_registry.h"
 #include "content/renderer/media/video_source_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
@@ skipping 23 matching lines @@
  public:
   VideoSourceHandlerTest()
        : child_process_(new ChildProcess()),
          registry_() {
     handler_.reset(new VideoSourceHandler(&registry_));
     registry_.Init(kTestStreamUrl);
     registry_.AddVideoTrack(kTestVideoTrackId);
   }
 
  protected:
+  base::MessageLoop message_loop_;
   scoped_ptr<ChildProcess> child_process_;
   scoped_ptr<VideoSourceHandler> handler_;
   MockMediaStreamRegistry registry_;
 };
 
 TEST_F(VideoSourceHandlerTest, OpenClose) {
   FakeFrameReader reader;
   // Unknow url will return false.
   EXPECT_FALSE(handler_->Open(kUnknownStreamUrl, &reader));
   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
 
   int width = 640;
   int height = 360;
   base::TimeDelta ts = base::TimeDelta::FromInternalValue(789012);
 
   // A new frame is captured.
   scoped_refptr<media::VideoFrame> captured_frame =
       media::VideoFrame::CreateBlackFrame(gfx::Size(width, height));
   captured_frame->set_timestamp(ts);
 
   // The frame is delivered to VideoSourceHandler.
-  MediaStreamVideoSink* receiver = handler_->GetReceiver(&reader);
-  receiver->OnVideoFrame(captured_frame);
+  handler_->DeliverFrameForTesting(&reader, captured_frame);
 
   // Compare |frame| to |captured_frame|.
   const media::VideoFrame* frame = reader.last_frame();
   ASSERT_TRUE(frame != NULL);
   EXPECT_EQ(width, frame->coded_size().width());
   EXPECT_EQ(height, frame->coded_size().height());
   EXPECT_EQ(ts, frame->timestamp());
   EXPECT_EQ(captured_frame->data(media::VideoFrame::kYPlane),
             frame->data(media::VideoFrame::kYPlane));
 
   EXPECT_FALSE(handler_->Close(NULL));
   EXPECT_TRUE(handler_->Close(&reader));
-  EXPECT_TRUE(handler_->GetReceiver(&reader) == NULL);
 }
 
 TEST_F(VideoSourceHandlerTest, OpenWithoutClose) {
   FakeFrameReader reader;
   EXPECT_TRUE(handler_->Open(kTestStreamUrl, &reader));
 }
 
 }  // namespace content