Corresponding change in Pepper since EnumerateDevices contract is changed.

ppapi/shared_impl/ppb_audio_input_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_INPUT_SHARED_H_
 #define PPAPI_SHARED_IMPL_PPB_AUDIO_INPUT_SHARED_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 24 matching lines @@
   explicit PPB_AudioInput_Shared(PP_Instance instance);
   virtual ~PPB_AudioInput_Shared();
 
   // Resource overrides.
   virtual thunk::PPB_AudioInput_API* AsPPB_AudioInput_API() OVERRIDE;
 
   // Implementation of PPB_AudioInput_API non-trusted methods.
   virtual int32_t EnumerateDevices(
       PP_Resource* devices,
       scoped_refptr<TrackedCallback> callback) OVERRIDE;
+  virtual int32_t StopEnumerateDevices(PP_Resource* devices) OVERRIDE;
   virtual int32_t Open(const std::string& device_id,
                        PP_Resource config,
                        PPB_AudioInput_Callback audio_input_callback,
                        void* user_data,
                        scoped_refptr<TrackedCallback> callback) OVERRIDE;
   virtual PP_Resource GetCurrentConfig() OVERRIDE;
   virtual PP_Bool StartCapture() OVERRIDE;
   virtual PP_Bool StopCapture() OVERRIDE;
   virtual void Close() OVERRIDE;
 
@@ skipping 12 matching lines @@
     BEFORE_OPEN,
     OPENED,
     CLOSED
   };
 
   // Subclasses should implement these methods to do impl- and proxy-specific
   // work.
   virtual int32_t InternalEnumerateDevices(
       PP_Resource* devices,
       scoped_refptr<TrackedCallback> callback) = 0;
+  virtual int32_t InternalStopEnumerateDevices(PP_Resource* devices) = 0;
   virtual int32_t InternalOpen(const std::string& device_id,
                                PP_AudioSampleRate sample_rate,
                                uint32_t sample_frame_count,
                                scoped_refptr<TrackedCallback> callback) = 0;
   virtual PP_Bool InternalStartCapture() = 0;
   virtual PP_Bool InternalStopCapture() = 0;
   virtual void InternalClose() = 0;
 
   // Configures the current state to be capturing or not. The caller is
   // responsible for ensuring the new state is the opposite of the current one.
@@ skipping 61 matching lines @@
   void* user_data_;
 
   scoped_refptr<TrackedCallback> enumerate_devices_callback_;
   scoped_refptr<TrackedCallback> open_callback_;
 
   // Owning reference to the current config object. This isn't actually used,
   // we just dish it out as requested by the plugin.
   ScopedPPResource config_;
 
   // Output parameter of EnumerateDevices(). It should not be accessed after
-  // |enumerate_devices_callback_| is run.
+  // StopEnumerateDevices is called.
   PP_Resource* devices_;
+  int enumeration_request_id_;
 
   ResourceObjectType resource_object_type_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_AudioInput_Shared);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_AUDIO_INPUT_SHARED_H_