Introduce NullVideoSink for test classes.

media/test/pipeline_integration_test_base.cc

 // Copyright (c) 2012 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 "media/test/pipeline_integration_test_base.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_vector.h"
 #include "media/base/cdm_context.h"
 #include "media/base/media_log.h"
@@ skipping 17 matching lines @@
 using ::testing::AtMost;
 using ::testing::Invoke;
 using ::testing::InvokeWithoutArgs;
 using ::testing::SaveArg;
 
 namespace media {
 
 const char kNullVideoHash[] = "d41d8cd98f00b204e9800998ecf8427e";
 const char kNullAudioHash[] = "0.00,0.00,0.00,0.00,0.00,0.00,";
 
-MockVideoRendererSink::MockVideoRendererSink() {}
-MockVideoRendererSink::~MockVideoRendererSink() {}
-
 PipelineIntegrationTestBase::PipelineIntegrationTestBase()
     : hashing_enabled_(false),
       clockless_playback_(false),
       pipeline_(
           new Pipeline(message_loop_.message_loop_proxy(), new MediaLog())),
       ended_(false),
       pipeline_status_(PIPELINE_OK),
       last_video_frame_format_(VideoFrame::UNKNOWN),
       hardware_config_(AudioParameters(), AudioParameters()) {
   base::MD5Init(&md5_context_);
@@ skipping 182 matching lines @@
 #if !defined(MEDIA_DISABLE_LIBVPX)
   video_decoders.push_back(
       new VpxVideoDecoder(message_loop_.message_loop_proxy()));
 #endif  // !defined(MEDIA_DISABLE_LIBVPX)
 
 #if !defined(MEDIA_DISABLE_FFMPEG)
   video_decoders.push_back(
       new FFmpegVideoDecoder(message_loop_.message_loop_proxy()));
 #endif
 
-  EXPECT_CALL(video_sink_, PaintFrameUsingOldRenderingPath(_))
-      .WillRepeatedly(
-          Invoke(this, &PipelineIntegrationTestBase::OnVideoFramePaint));
+  // Simulate a 60Hz rendering sink.
+  video_sink_.reset(new NullVideoSink(
+      clockless_playback_, base::TimeDelta::FromSecondsD(1.0 / 60),
+      base::Bind(&PipelineIntegrationTestBase::OnVideoFramePaint,
+                 base::Unretained(this)),
+      message_loop_.task_runner()));
 
   // Disable frame dropping if hashing is enabled.
-  scoped_ptr<VideoRenderer> video_renderer(
-      new VideoRendererImpl(message_loop_.message_loop_proxy(), &video_sink_,
-                            video_decoders.Pass(), false, new MediaLog()));
+  scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
+      message_loop_.message_loop_proxy(), video_sink_.get(),
+      video_decoders.Pass(), false, new MediaLog()));
 
   if (!clockless_playback_) {
     audio_sink_ = new NullAudioSink(message_loop_.message_loop_proxy());
   } else {
     clockless_audio_sink_ = new ClocklessAudioSink();
   }
 
   ScopedVector<AudioDecoder> audio_decoders;
 
 #if !defined(MEDIA_DISABLE_FFMPEG)
@@ skipping 59 matching lines @@
   DCHECK(clockless_playback_);
   return clockless_audio_sink_->render_time();
 }
 
 base::TimeTicks DummyTickClock::NowTicks() {
   now_ += base::TimeDelta::FromSeconds(60);
   return now_;
 }
 
 }  // namespace media