AudioConverter: Express delay in frames rather than msec.

content/renderer/media/webrtc_local_audio_source_provider.h

 // Copyright 2013 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 CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 57 matching lines @@
 
   // blink::WebAudioSourceProvider implementation.
   void setClient(blink::WebAudioSourceProviderClient* client) override;
   void provideInput(const blink::WebVector<float*>& audio_data,
                     size_t number_of_frames) override;
 
   // media::AudioConverter::Inputcallback implementation.
   // This function is triggered by provideInput()on the WebAudio audio thread,
   // so it has been under the protection of |lock_|.
   double ProvideInput(media::AudioBus* audio_bus,
-                      base::TimeDelta buffer_delay) override;
+                      uint32_t frames_delayed) override;
 
   // Method to allow the unittests to inject its own sink parameters to avoid
   // query the hardware.
   // TODO(xians,tommi): Remove and instead offer a way to inject the sink
   // parameters so that the implementation doesn't rely on the global default
   // hardware config but instead gets the parameters directly from the sink
   // (WebAudio in this case). Ideally the unit test should be able to use that
   // same mechanism to inject the sink parameters for testing.
   void SetSinkParamsForTesting(const media::AudioParameters& sink_params);
 
@@ skipping 19 matching lines @@
 
   // Flag to tell if the track has been stopped or not.
   bool track_stopped_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRtcLocalAudioSourceProvider);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_