Motown: Get rid of speculative clock definition

services/media/factory_service/media_sink_impl.cc

 // 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.
 
 #include "base/logging.h"
 #include "mojo/services/media/common/cpp/linear_transform.h"
 #include "mojo/services/media/common/cpp/local_time.h"
 #include "services/media/factory_service/media_sink_impl.h"
 #include "services/media/framework/conversion_pipeline_builder.h"
 #include "services/media/framework_mojo/mojo_type_conversions.h"
@@ skipping 119 matching lines @@
             graph_.Prepare();
             ready_.Occur();
             MaybeSetRate();
           });
         });
   });
 }
 
 MediaSinkImpl::~MediaSinkImpl() {}
 
-void MediaSinkImpl::GetClockDisposition(
-    const GetClockDispositionCallback& callback) {
-  callback.Run(ClockDisposition::PREFER_MASTER);
-  // TODO(dalesat): Varies by destination type.
-}
-
-void MediaSinkImpl::GetMasterClock(InterfaceRequest<Clock> master_clock) {
-  // TODO(dalesat): Produce master clock as appropriate.
-}
-
-void MediaSinkImpl::SetMasterClock(InterfaceHandle<Clock> master_clock) {
-  // TODO(dalesat): Accept master clock and arrange for synchronization.
-}
-
 void MediaSinkImpl::GetConsumer(InterfaceRequest<MediaConsumer> consumer) {
   consumer_->AddBinding(consumer.Pass());
 }
 
 void MediaSinkImpl::GetStatus(uint64_t version_last_seen,
                               const GetStatusCallback& callback) {
   if (version_last_seen < status_version_) {
     RunStatusCallback(callback);
   } else {
     pending_status_requests_.push_back(callback);
@@ skipping 121 matching lines @@
   status_transform_->quad->target_delta = rate_frames_per_tick.denominator;
   LinearTransform::Ratio::Reduce(&status_transform_->quad->reference_delta,
                                  &status_transform_->quad->target_delta);
 
   rate_ = target_rate_;
   StatusUpdated();
 }
 
 }  // namespace media
 }  // namespace mojo