Remove mock_ffmpeg and update media unittests.

media/base/video_decoder_config.cc

 // Copyright (c) 2011 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/base/video_decoder_config.h"
 
 #include "base/logging.h"
 
 namespace media {
 
 VideoDecoderConfig::VideoDecoderConfig(VideoCodec codec,
                                        int width,
                                        int height,
                                        int surface_width,
                                        int surface_height,
                                        int frame_rate_numerator,
                                        int frame_rate_denominator,
-                                       uint8* extra_data,
+                                       const uint8* extra_data,
                                        size_t extra_data_size)
     : codec_(codec),
       width_(width),
       height_(height),
       surface_width_(surface_width),
       surface_height_(surface_height),
       frame_rate_numerator_(frame_rate_numerator),
       frame_rate_denominator_(frame_rate_denominator),
       extra_data_size_(extra_data_size) {
   CHECK(extra_data_size_ == 0 || extra_data);
@@ skipping 35 matching lines @@
 
 uint8* VideoDecoderConfig::extra_data() const {
   return extra_data_.get();
 }
 
 size_t VideoDecoderConfig::extra_data_size() const {
   return extra_data_size_;
 }
 
 }  // namespace media