Motown: Get rid of speculative clock definition

services/media/factory_service/media_source_impl.h

 // Copyright 2016 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 MOJO_SERVICES_MEDIA_FACTORY_MEDIA_SOURCE_IMPL_H_
 #define MOJO_SERVICES_MEDIA_FACTORY_MEDIA_SOURCE_IMPL_H_
 
 #include <vector>
 
 #include "base/single_thread_task_runner.h"
@@ skipping 21 matching lines @@
       InterfaceHandle<SeekingReader> reader,
       const Array<MediaTypeSetPtr>& allowed_media_types,
       InterfaceRequest<MediaSource> request,
       MediaFactoryService* owner);
 
   ~MediaSourceImpl() override;
 
   // MediaSource implementation.
   void GetStreams(const GetStreamsCallback& callback) override;
 
-  void GetClockDisposition(
-      const GetClockDispositionCallback& callback) override;
-
-  void GetMasterClock(InterfaceRequest<Clock> master_clock) override;
-
-  void SetMasterClock(InterfaceHandle<Clock> master_clock) override;
-
   void GetProducer(uint32_t stream_index,
                    InterfaceRequest<MediaProducer> producer) override;
 
   void GetPullModeProducer(
       uint32_t stream_index,
       InterfaceRequest<MediaPullModeProducer> producer) override;
 
   void GetStatus(uint64_t version_last_seen,
                  const GetStatusCallback& callback) override;
 
@@ skipping 74 matching lines @@
   std::vector<std::unique_ptr<Stream>> streams_;
   uint64_t status_version_ = 1;
   MediaState state_ = MediaState::UNPREPARED;
   std::deque<GetStatusCallback> pending_status_requests_;
 };
 
 }  // namespace media
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_MEDIA_FACTORY_MEDIA_SOURCE_IMPL_H_