Add a new parameter |latency| to PPB_Audio.

ppapi/shared_impl/ppb_audio_config_shared.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 PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
 #define PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_audio_config_api.h"
 
 namespace ppapi {
 
 const int kBitsPerAudioInputSample = 16;
 const int kAudioInputChannels = 1;
 
+// TODO(dalecurtis, yzshen): PPAPI shouldn't hard code these values for all
+// clients.
 const int kBitsPerAudioOutputSample = 16;
 const int kAudioOutputChannels = 2;
 
 class PPAPI_SHARED_EXPORT PPB_AudioConfig_Shared
     : public Resource,
       public thunk::PPB_AudioConfig_API {
  public:
   virtual ~PPB_AudioConfig_Shared();
 
   static PP_Resource Create(ResourceObjectType type,
@@ skipping 24 matching lines @@
 
   PP_AudioSampleRate sample_rate_;
   uint32_t sample_frame_count_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_AudioConfig_Shared);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_AUDIO_CONFIG_SHARED_H_