Create abstract interface for media::Pipeline.

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_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 39 matching lines @@
       MediaLogEvent::Type type, const std::string& property, bool value);
   scoped_ptr<MediaLogEvent> CreateStringEvent(MediaLogEvent::Type type,
                                               const std::string& property,
                                               const std::string& value);
   scoped_ptr<MediaLogEvent> CreateTimeEvent(MediaLogEvent::Type type,
                                             const std::string& property,
                                             base::TimeDelta value);
   scoped_ptr<MediaLogEvent> CreateLoadEvent(const std::string& url);
   scoped_ptr<MediaLogEvent> CreateSeekEvent(float seconds);
   scoped_ptr<MediaLogEvent> CreatePipelineStateChangedEvent(
-      Pipeline::State state);
+      PipelineImpl::State state);
   scoped_ptr<MediaLogEvent> CreatePipelineErrorEvent(PipelineStatus error);
   scoped_ptr<MediaLogEvent> CreateVideoSizeSetEvent(
       size_t width, size_t height);
   scoped_ptr<MediaLogEvent> CreateBufferedExtentsChangedEvent(int64_t start,
                                                               int64_t current,
                                                               int64_t end);
 
   // Report a log message at the specified log level.
   void AddLogEvent(MediaLogLevel level, const std::string& message);
 
@@ skipping 51 matching lines @@
 #define LIMITED_MEDIA_LOG(level, media_log, count, max)                       \
   LAZY_STREAM(MEDIA_LOG(level, media_log),                                    \
               (count) < (max) && ((count)++ || true))                         \
       << (((count) == (max)) ? "(Log limit reached. Further similar entries " \
                                "may be suppressed): "                         \
                              : "")
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_LOG_H_