Simplify logic behind chrome.audio.setActiveDevices

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 81 matching lines @@
     return RespondNow(
         Error("Error occurred when querying audio device information."));
   }
 
   return RespondNow(
       ArgumentList(audio::GetInfo::Results::Create(output_info, input_info)));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
+ExtensionFunction::ResponseAction AudioSetActiveDeviceListsFunction::Run() {
+  std::unique_ptr<audio::SetActiveDeviceLists::Params> params(
+      audio::SetActiveDeviceLists::Params::Create(*args_));
+  EXTENSION_FUNCTION_VALIDATE(params.get());
+
+  AudioService* service =
+      AudioAPI::GetFactoryInstance()->Get(browser_context())->GetService();
+  DCHECK(service);
+
+  if (!service->SetActiveDeviceLists(params->ids.input, params->ids.output)) {
+    return RespondNow(Error("Failed to set active devices."));
+  }
+  return RespondNow(NoArguments());
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
 ExtensionFunction::ResponseAction AudioSetActiveDevicesFunction::Run() {
   std::unique_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);
 
   service->SetActiveDevices(params->ids);
@@ skipping 20 matching lines @@
   if (!service->SetDeviceProperties(params->id, params->properties.is_muted,
                                     volume_value, gain_value)) {
     return RespondNow(Error("Could not set properties"));
   }
   return RespondNow(NoArguments());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace extensions