Replace Pipeline::SetNetworkActivity() with BufferedDataSource -> WebMediaPlayerImpl callback.

media/filters/chunk_demuxer.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/chunk_demuxer.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "media/base/audio_decoder_config.h"
@@ skipping 630 matching lines @@
     }
 
     buffered_bytes_ += length;
     buffered_bytes = buffered_bytes_;
   }
 
   // Notify the host of 'network activity' because we got data, using a bogus
   // range.
   host_->AddBufferedByteRange(0, buffered_bytes);
 
-  host_->SetNetworkActivity(true);
-
   if (!cb.is_null())
     cb.Run(PIPELINE_OK);
 
   return true;
 }
 
 void ChunkDemuxer::Abort(const std::string& id) {
   DVLOG(1) << "Abort(" << id << ")";
   DCHECK(!id.empty());
   DCHECK_EQ(source_id_, id);
@@ skipping 208 matching lines @@
   return true;
 }
 
 bool ChunkDemuxer::OnKeyNeeded(scoped_array<uint8> init_data,
                                int init_data_size) {
   client_->KeyNeeded(init_data.Pass(), init_data_size);
   return true;
 }
 
 }  // namespace media