Remove reporting statistics reporting from chrome://media-internals and fix event logging.

media/base/media_log.h

 // 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.
 
 #ifndef MEDIA_BASE_MEDIA_LOG_H_
 #define MEDIA_BASE_MEDIA_LOG_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
+#include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
 #include "media/base/media_log_event.h"
 #include "media/base/pipeline.h"
 #include "media/base/pipeline_status.h"
 
 namespace media {
 
 class MEDIA_EXPORT MediaLog : public base::RefCountedThreadSafe<MediaLog> {
  public:
   // Convert various enums to strings.
@@ skipping 18 matching lines @@
   scoped_ptr<MediaLogEvent> CreateLoadEvent(const std::string& url);
   scoped_ptr<MediaLogEvent> CreateSeekEvent(float seconds);
   scoped_ptr<MediaLogEvent> CreatePipelineStateChangedEvent(
       Pipeline::State state);
   scoped_ptr<MediaLogEvent> CreatePipelineErrorEvent(PipelineStatus error);
   scoped_ptr<MediaLogEvent> CreateVideoSizeSetEvent(
       size_t width, size_t height);
   scoped_ptr<MediaLogEvent> CreateBufferedExtentsChangedEvent(
       size_t start, size_t current, size_t end);
 
-  // Called when the pipeline statistics have been updated.
-  // This gets called every frame, so we send the most recent stats after 500ms.
-  // This function is NOT thread safe.
-  void QueueStatisticsUpdatedEvent(PipelineStatistics stats);
-
  protected:
   friend class base::RefCountedThreadSafe<MediaLog>;
   virtual ~MediaLog();
 
  private:
-  // Actually add a STATISTICS_UPDATED event.
-  void AddStatisticsUpdatedEvent();
-
   // A unique (to this process) id for this MediaLog.
   int32 id_;
 
-  // The most recent set of pipeline stats.
-  PipelineStatistics last_statistics_;
-  bool stats_update_pending_;
-  base::Lock stats_lock_;
-
   DISALLOW_COPY_AND_ASSIGN(MediaLog);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_LOG_H_