Support Opus Ambisonics playback

media/base/fake_audio_renderer_sink.cc

Index: media/base/fake_audio_renderer_sink.cc
diff --git a/media/base/fake_audio_renderer_sink.cc b/media/base/fake_audio_renderer_sink.cc
index 3e63ac4ecdafb812c71c24d0dad08b06b964de35..06bbf7d845274c6dbf537d20e32826de10a607b7 100644
--- a/media/base/fake_audio_renderer_sink.cc
+++ b/media/base/fake_audio_renderer_sink.cc
@@ -24,7 +24,8 @@ FakeAudioRendererSink::FakeAudioRendererSink(
       callback_(nullptr),
       output_device_info_(std::string(),
                           OUTPUT_DEVICE_STATUS_OK,
-                          hardware_params) {}
+                          hardware_params),
+      is_optimized_for_hw_params_(true) {}
 
 FakeAudioRendererSink::~FakeAudioRendererSink() {
   DCHECK(!callback_);
@@ -70,7 +71,7 @@ OutputDeviceInfo FakeAudioRendererSink::GetOutputDeviceInfo() {
 }
 
 bool FakeAudioRendererSink::IsOptimizedForHardwareParameters() {
-  return true;
+  return is_optimized_for_hw_params_;
 }
 
 bool FakeAudioRendererSink::CurrentThreadIsRenderingThread() {
@@ -95,6 +96,10 @@ void FakeAudioRendererSink::OnRenderError() {
   callback_->OnRenderError();
 }
 
+void FakeAudioRendererSink::SetIsOptimizedForHardwareParameters(bool value) {
+  is_optimized_for_hw_params_ = value;
+}
+
 void FakeAudioRendererSink::ChangeState(State new_state) {
   static const char* kStateNames[] = {
     "kUninitialized",