Switch to double for time calculations using playback rate.

media/mojo/services/mojo_renderer_impl.h

 // Copyright 2014 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_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_
 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/renderer.h"
@@ skipping 27 matching lines @@
                   const StatisticsCB& statistics_cb,
                   const BufferingStateCB& buffering_state_cb,
                   const PaintCB& paint_cb,
                   const base::Closure& ended_cb,
                   const PipelineStatusCB& error_cb,
                   const base::Closure& waiting_for_decryption_key_cb) override;
   void SetCdm(CdmContext* cdm_context,
               const CdmAttachedCB& cdm_attached_cb) override;
   void Flush(const base::Closure& flush_cb) override;
   void StartPlayingFrom(base::TimeDelta time) override;
-  void SetPlaybackRate(float playback_rate) override;
+  void SetPlaybackRate(double playback_rate) override;
   void SetVolume(float volume) override;
   base::TimeDelta GetMediaTime() override;
   bool HasAudio() override;
   bool HasVideo() override;
 
   // mojo::MediaRendererClient implementation.
   void OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) override;
   void OnBufferingStateChange(mojo::BufferingState state) override;
   void OnEnded() override;
   void OnError() override;
@@ skipping 24 matching lines @@
   base::TimeDelta max_time_;
 
   base::WeakPtrFactory<MojoRendererImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRendererImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_