[Extensions] Convert APIs to use movable types [10]

extensions/browser/api/audio/audio_api.cc

 // Copyright (c) 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.
 
 #include "extensions/browser/api/audio/audio_api.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/values.h"
@@ skipping 62 matching lines @@
     scoped_ptr<base::ListValue> args = audio::OnDevicesChanged::Create(devices);
     scoped_ptr<Event> event(new Event(events::AUDIO_ON_DEVICES_CHANGED,
                                       audio::OnDevicesChanged::kEventName,
                                       std::move(args)));
     EventRouter::Get(browser_context_)->BroadcastEvent(std::move(event));
   }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-bool AudioGetInfoFunction::RunAsync() {
+bool AudioGetInfoFunction::RunSync() {
   AudioService* service =
       AudioAPI::GetFactoryInstance()->Get(browser_context())->GetService();
   DCHECK(service);
-  service->StartGetInfo(base::Bind(&AudioGetInfoFunction::OnGetInfoCompleted,
-                                   this));
+  OutputInfo output_info;
+  InputInfo input_info;
+  if (!service->GetInfo(&output_info, &input_info)) {
+    SetError("Error occurred when querying audio device information.");
+    return false;
+  }
+
+  results_ = audio::GetInfo::Results::Create(output_info, input_info);
   return true;
 }
 
-void AudioGetInfoFunction::OnGetInfoCompleted(const OutputInfo& output_info,
-                                              const InputInfo& input_info,
-                                              bool success) {
-  if (success)
-    results_ = audio::GetInfo::Results::Create(output_info, input_info);
-  else
-    SetError("Error occurred when querying audio device information.");
-  SendResponse(success);
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 bool AudioSetActiveDevicesFunction::RunSync() {
   scoped_ptr<audio::SetActiveDevices::Params> params(
       audio::SetActiveDevices::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   AudioService* service =
       AudioAPI::GetFactoryInstance()->Get(browser_context())->GetService();
   DCHECK(service);
@@ skipping 24 matching lines @@
                                     volume_value,
                                     gain_value))
     return false;
   else
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace extensions