Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/filters/video_renderer_algorithm_unittest.cc

 // Copyright 2015 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 <stddef.h>
 #include <stdint.h>
 
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 55 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TickGenerator);
 };
 
 class VideoRendererAlgorithmTest : public testing::Test {
  public:
   VideoRendererAlgorithmTest()
       : tick_clock_(new base::SimpleTestTickClock()),
         algorithm_(base::Bind(&WallClockTimeSource::GetWallClockTimes,
                               base::Unretained(&time_source_)),
-                   make_scoped_refptr(new MediaLog())) {
+                   &media_log_) {
     // Always start the TickClock at a non-zero value since null values have
     // special connotations.
     tick_clock_->Advance(base::TimeDelta::FromMicroseconds(10000));
     time_source_.set_tick_clock_for_testing(tick_clock_.get());
   }
   ~VideoRendererAlgorithmTest() override {}
 
   scoped_refptr<VideoFrame> CreateFrame(base::TimeDelta timestamp) {
     const gfx::Size natural_size(8, 8);
     return frame_pool_.CreateFrame(PIXEL_FORMAT_YV12, natural_size,
@@ skipping 237 matching lines @@
 
   size_t EffectiveFramesQueued() {
     const size_t expected_frames_queued = algorithm_.effective_frames_queued();
     // These values should always be in sync.
     algorithm_.UpdateEffectiveFramesQueued();
     EXPECT_EQ(expected_frames_queued, algorithm_.effective_frames_queued());
     return expected_frames_queued;
   }
 
  protected:
+  MediaLog media_log_;
   VideoFramePool frame_pool_;
   std::unique_ptr<base::SimpleTestTickClock> tick_clock_;
   WallClockTimeSource time_source_;
   VideoRendererAlgorithm algorithm_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoRendererAlgorithmTest);
 };
 
 TEST_F(VideoRendererAlgorithmTest, Empty) {
@@ skipping 1223 matching lines @@
   ASSERT_TRUE(is_using_cadence());
 
   // Finally the last frame.
   rendered_frame = RenderAndStep(&tg, &frames_dropped);
   EXPECT_EQ(1u, frames_queued());
   EXPECT_EQ(tg.interval(12), rendered_frame->timestamp());
   ASSERT_TRUE(is_using_cadence());
 }
 
 }  // namespace media