Change ChunkDemuxerStream/SourceBufferStream memory limit to size_t type

media/filters/source_buffer_stream_unittest.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/filters/source_buffer_stream.h"
 
 #include <stdint.h>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 20 matching lines @@
 static const int kDataSize = 1;
 
 class SourceBufferStreamTest : public testing::Test {
  protected:
   SourceBufferStreamTest() {
     video_config_ = TestVideoConfig::Normal();
     SetStreamInfo(kDefaultFramesPerSecond, kDefaultKeyframesPerSecond);
     stream_.reset(new SourceBufferStream(video_config_, log_cb(), true));
   }
 
-  void SetMemoryLimit(int buffers_of_data) {
+  void SetMemoryLimit(size_t buffers_of_data) {
     stream_->set_memory_limit(buffers_of_data * kDataSize);
   }
 
   void SetStreamInfo(int frames_per_second, int keyframes_per_second) {
     frames_per_second_ = frames_per_second;
     keyframes_per_second_ = keyframes_per_second;
     frame_duration_ = ConvertToFrameDuration(frames_per_second);
   }
 
   void SetTextStream() {
@@ skipping 4233 matching lines @@
   CheckVideoConfig(new_config);
 }
 
 // TODO(vrk): Add unit tests where keyframes are unaligned between streams.
 // (crbug.com/133557)
 
 // TODO(vrk): Add unit tests with end of stream being called at interesting
 // times.
 
 }  // namespace media