Move some generic functions to AudioManagerBase to be inherited by platform-specific AudioManager***

media/audio/android/audio_manager_android.h

Index: media/audio/android/audio_manager_android.h
diff --git a/media/audio/android/audio_manager_android.h b/media/audio/android/audio_manager_android.h
index ab43a60dac109f37b02d2dc752d3b50bdf1b31ce..cab9f2ce7ecb54aa542d771ecb022e48eee8c52a 100644
--- a/media/audio/android/audio_manager_android.h
+++ b/media/audio/android/audio_manager_android.h
@@ -15,13 +15,20 @@ class AudioManagerAndroid : public AudioManagerBase {
   // Implementation of AudioManager.
   virtual bool HasAudioOutputDevices() OVERRIDE;
   virtual bool HasAudioInputDevices() OVERRIDE;
-  virtual AudioOutputStream* MakeAudioOutputStream(
-      const AudioParameters& params) OVERRIDE;
-  virtual AudioInputStream* MakeAudioInputStream(
-      const AudioParameters& params, const std::string& device_id) OVERRIDE;
   virtual void MuteAll() OVERRIDE;
   virtual void UnMuteAll() OVERRIDE;
 
+  // Implementation of AudioManagerBase.
+  virtual int GetMaxAudioOutputStreamsAllowed() OVERRIDE;
+  virtual AudioOutputStream* MakeAudioLinearOutputStream(

[henrika (OOO until Aug 14), 2012/03/02 08:31:16]

Why not call this MakeAudioOutputStream() instead? Adding Linear does not make
sense to me. It is in fact the default method given that it is used bu
<audio>/<video>.

[no longer working on chromium, 2012/03/02 13:00:49]

As we discussed offline, the name is picked to match the AUDIO_PCM_LINEAR mode,
but I am open to another better name.

+      const AudioParameters& params) OVERRIDE;
+  virtual AudioOutputStream* MakeAudioLowLatencyOutputStream(
+      const AudioParameters& params) OVERRIDE;
+  virtual AudioInputStream* MakeAudioLinearInputStream(

[henrika (OOO until Aug 14), 2012/03/02 08:31:16]

Remove Linear. Please.

+      const AudioParameters& params, const std::string& device_id) OVERRIDE;
+  virtual AudioInputStream* MakeAudioLowLatencyInputStream(
+      const AudioParameters& params, const std::string& device_id) OVERRIDE;
+
  protected:
   virtual ~AudioManagerAndroid();