media: Remove SetCdmReadyCB and CdmReadyCB (part 1).

media/renderers/video_renderer_impl_unittest.cc

 // Copyright 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 <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 104 matching lines @@
   void CallInitialize(const PipelineStatusCB& status_cb,
                       bool low_delay,
                       bool expect_to_success) {
     if (low_delay)
       demuxer_stream_.set_liveness(DemuxerStream::LIVENESS_LIVE);
     EXPECT_CALL(*decoder_, Initialize(_, _, _, _, _))
         .WillOnce(
             DoAll(SaveArg<4>(&output_cb_), RunCallback<3>(expect_to_success)));
     EXPECT_CALL(*this, OnWaitingForDecryptionKey()).Times(0);
     renderer_->Initialize(
-        &demuxer_stream_, status_cb, SetCdmReadyCB(),
+        &demuxer_stream_, status_cb, nullptr,
         base::Bind(&VideoRendererImplTest::OnStatisticsUpdate,
                    base::Unretained(this)),
         base::Bind(&StrictMock<MockCB>::BufferingStateChange,
                    base::Unretained(&mock_cb_)),
         ended_event_.GetClosure(), error_event_.GetPipelineStatusCB(),
         base::Bind(&WallClockTimeSource::GetWallClockTimes,
                    base::Unretained(&time_source_)),
         base::Bind(&VideoRendererImplTest::OnWaitingForDecryptionKey,
                    base::Unretained(this)));
   }
@@ skipping 641 matching lines @@
   QueueFrames("0 10 20 30");
   StartPlayingFrom(0);
   Flush();
   ASSERT_EQ(1u, frame_ready_cbs_.size());
   // This frame will be discarded.
   frame_ready_cbs_.front().Run();
   Destroy();
 }
 
 }  // namespace media