Plumb render view ID to media observer

content/renderer/media/audio_renderer_mixer_manager.cc

Index: content/renderer/media/audio_renderer_mixer_manager.cc
diff --git a/content/renderer/media/audio_renderer_mixer_manager.cc b/content/renderer/media/audio_renderer_mixer_manager.cc
index 03e638e7799dafc54074c53e6c8da9800a72fc19..ee3903a3e4b99adb15244e4de3d15d75fee364a1 100644
--- a/content/renderer/media/audio_renderer_mixer_manager.cc
+++ b/content/renderer/media/audio_renderer_mixer_manager.cc
@@ -10,27 +10,35 @@
 #include "media/base/audio_renderer_mixer.h"
 #include "media/base/audio_renderer_mixer_input.h"
 
+void MyFunc(int i, const std::string& str) {}
+
 namespace content {
 
 AudioRendererMixerManager::AudioRendererMixerManager(int hardware_sample_rate,
                                                      int hardware_buffer_size)
     : hardware_sample_rate_(hardware_sample_rate),
       hardware_buffer_size_(hardware_buffer_size) {
+  base::Callback<void(const std::string&)> cb = base::Bind(&MyFunc, 23);
+  cb.Run("hello world");
 }
 
 AudioRendererMixerManager::~AudioRendererMixerManager() {
   DCHECK(mixers_.empty());
 }
 
-media::AudioRendererMixerInput* AudioRendererMixerManager::CreateInput() {
+media::AudioRendererMixerInput* AudioRendererMixerManager::CreateInput(
+    RenderView* render_view) {
   return new media::AudioRendererMixerInput(
       base::Bind(
-          &AudioRendererMixerManager::GetMixer, base::Unretained(this)),
+          &AudioRendererMixerManager::GetMixer,
+          base::Unretained(this),
+          base::Unretained(render_view)),
       base::Bind(
           &AudioRendererMixerManager::RemoveMixer, base::Unretained(this)));
 }
 
 media::AudioRendererMixer* AudioRendererMixerManager::GetMixer(
+    RenderView* render_view,
     const media::AudioParameters& params) {
   base::AutoLock auto_lock(mixers_lock_);
 
@@ -48,7 +56,7 @@ media::AudioRendererMixer* AudioRendererMixerManager::GetMixer(
       hardware_sample_rate_, 16, hardware_buffer_size_);
 
   media::AudioRendererMixer* mixer = new media::AudioRendererMixer(
-      params, output_params, AudioDeviceFactory::Create());
+      params, output_params, AudioDeviceFactory::Create(render_view));
 
   AudioRendererMixerReference mixer_reference = { mixer, 1 };
   mixers_[params] = mixer_reference;