Moving SwitchOutputDevice out of OutputDevice interface, eliminating OutputDevice

media/base/mock_audio_renderer_sink.cc

 // 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.
 
 #include "media/base/mock_audio_renderer_sink.h"
-#include "media/base/fake_output_device.h"
 
 namespace media {
 MockAudioRendererSink::MockAudioRendererSink()
     : MockAudioRendererSink(OUTPUT_DEVICE_STATUS_OK) {}
 
 MockAudioRendererSink::MockAudioRendererSink(OutputDeviceStatus device_status)
-    : output_device_(new FakeOutputDevice(device_status)) {}
+    : MockAudioRendererSink(std::string(), device_status) {}
+
+MockAudioRendererSink::MockAudioRendererSink(const std::string& device_id,
+                                             OutputDeviceStatus device_status)
+    : MockAudioRendererSink(
+          device_id,
+          device_status,
+          media::AudioParameters(media::AudioParameters::AUDIO_FAKE,
+                                 media::CHANNEL_LAYOUT_STEREO,
+                                 media::AudioParameters::kTelephoneSampleRate,
+                                 16,
+                                 1)) {}
+
+MockAudioRendererSink::MockAudioRendererSink(
+    const std::string& device_id,
+    OutputDeviceStatus device_status,
+    const AudioParameters& device_output_params)
+    : device_info_factory_(nullptr),
+      output_device_info_(new OutputDeviceInfo(device_id,
+                                               device_status,
+                                               device_output_params)) {}
+
+MockAudioRendererSink::MockAudioRendererSink(
+    OutputDeviceInfoFactory* device_info_factory,
+    const std::string& device_id)
+    : device_info_factory_(device_info_factory),
+      output_device_info_(
+          device_info_factory_->NewOutputDeviceInfo(device_id)) {}
 
 MockAudioRendererSink::~MockAudioRendererSink() {}
 
+void MockAudioRendererSink::SwitchOutputDevice(
+    const std::string& device_id,
+    const url::Origin& security_origin,
+    const OutputDeviceStatusCB& callback) {
+  // NB: output device won't be changed if no factory is provided at

[Guido Urdaneta, 2016/03/22 15:30:18]

Isn't it a lot simpler to just store the device_id in a variable and just change
it when SOD() is invoked?
You can control whether SOD() is enabled with a bool.
The factory approach looks too complicated for this.

[o1ka, 2016/03/22 16:13:56]

It looks cool! :) But I removed it, since it's not used now.

+  // construction time.
+  if (device_info_factory_) {
+    output_device_info_.reset(
+        device_info_factory_->NewOutputDeviceInfo(device_id));
+  }
+  callback.Run(output_device_info_->device_status());
+}
+
 void MockAudioRendererSink::Initialize(const AudioParameters& params,
                                        RenderCallback* renderer) {
   callback_ = renderer;
 }
 
-OutputDevice* MockAudioRendererSink::GetOutputDevice() {
-  return output_device_.get();
+OutputDeviceInfo MockAudioRendererSink::GetOutputDeviceInfo() {
+  return *output_device_info_;
 }
 
 }  // namespace media