Remove MOZ_B2G leftovers and some dead B2G-only components.

dom/media/AudioStream.cpp

@@ -333,11 +333,7 @@ AudioStream::Init(uint32_t aNumChannels, uint32_t aRate,
   params.rate = aRate;
   params.channels = mOutChannels;
 #if defined(__ANDROID__)
-#if defined(MOZ_B2G)
-  params.stream_type = CubebUtils::ConvertChannelToCubebType(aAudioChannel);
-#else
   params.stream_type = CUBEB_STREAM_TYPE_MUSIC;
-#endif
 
   if (params.stream_type == CUBEB_STREAM_TYPE_MAX) {
     return NS_ERROR_INVALID_ARG;

dom/media/CubebUtils.cpp

@@ -342,33 +342,6 @@ uint32_t MaxNumberOfChannels()
   return 0;
 }
 
-#if defined(__ANDROID__) && defined(MOZ_B2G)
-cubeb_stream_type ConvertChannelToCubebType(dom::AudioChannel aChannel)
-{
-  switch(aChannel) {
-    case dom::AudioChannel::Normal:
-      /* FALLTHROUGH */
-    case dom::AudioChannel::Content:
-      return CUBEB_STREAM_TYPE_MUSIC;
-    case dom::AudioChannel::Notification:
-      return CUBEB_STREAM_TYPE_NOTIFICATION;
-    case dom::AudioChannel::Alarm:
-      return CUBEB_STREAM_TYPE_ALARM;
-    case dom::AudioChannel::Telephony:
-      return CUBEB_STREAM_TYPE_VOICE_CALL;
-    case dom::AudioChannel::Ringer:
-      return CUBEB_STREAM_TYPE_RING;
-    case dom::AudioChannel::System:
-      return CUBEB_STREAM_TYPE_SYSTEM;
-    case dom::AudioChannel::Publicnotification:
-      return CUBEB_STREAM_TYPE_SYSTEM_ENFORCED;
-    default:
-      NS_ERROR("The value of AudioChannel is invalid");
-      return CUBEB_STREAM_TYPE_MAX;
-  }
-}
-#endif
-
 void GetCurrentBackend(nsAString& aBackend)
 {
   cubeb* cubebContext = GetCubebContext();

dom/media/CubebUtils.h

@@ -40,9 +40,6 @@ void ReportCubebBackendUsed();
 uint32_t GetCubebPlaybackLatencyInMilliseconds();
 Maybe<uint32_t> GetCubebMSGLatencyInFrames();
 bool CubebLatencyPrefSet();
-#if defined(__ANDROID__) && defined(MOZ_B2G)
-cubeb_stream_type ConvertChannelToCubebType(dom::AudioChannel aChannel);
-#endif
 void GetCurrentBackend(nsAString& aBackend);
 
 } // namespace CubebUtils

dom/media/GraphDriver.cpp

@@ -640,11 +640,7 @@ AudioCallbackDriver::Init()
   mSampleRate = output.rate = CubebUtils::PreferredSampleRate();
 
 #if defined(__ANDROID__)
-#if defined(MOZ_B2G)
-  output.stream_type = CubebUtils::ConvertChannelToCubebType(mAudioChannel);
-#else
   output.stream_type = CUBEB_STREAM_TYPE_MUSIC;
-#endif
   if (output.stream_type == CUBEB_STREAM_TYPE_MAX) {
     NS_WARNING("Bad stream type");
     return;

dom/media/MediaManager.cpp

@@ -73,10 +73,6 @@
 #include "browser_logging/WebRtcLog.h"
 #endif
 
-#ifdef MOZ_B2G
-#include "MediaPermissionGonk.h"
-#endif
-
 #if defined (XP_WIN)
 #include "mozilla/WindowsVersion.h"
 #include <winsock2.h>
@@ -1819,10 +1815,6 @@ MediaManager::Get() {
                                             __LINE__,
                                             NS_LITERAL_STRING("Media shutdown"));
     MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
-#ifdef MOZ_B2G
-    // Init MediaPermissionManager before sending out any permission requests.
-    (void) MediaPermissionManager::GetInstance();
-#endif //MOZ_B2G
   }
   return sSingleton;
 }

dom/media/PeerConnection.js

@@ -791,7 +791,6 @@ RTCPeerConnection.prototype = {
       return this._havePermission;
     }
     if (this._isChrome ||
-        AppConstants.MOZ_B2G ||
         Services.prefs.getBoolPref("media.navigator.permission.disabled")) {
       return this._havePermission = Promise.resolve();
     }

dom/media/webrtc/MediaEngine.h

@@ -54,11 +54,8 @@ public:
   static const int DEFAULT_169_VIDEO_WIDTH = 1280;
   static const int DEFAULT_169_VIDEO_HEIGHT = 720;
 
-#ifndef MOZ_B2G
   static const int DEFAULT_SAMPLE_RATE = 32000;
-#else
-  static const int DEFAULT_SAMPLE_RATE = 16000;
-#endif
+
   // This allows using whatever rate the graph is using for the
   // MediaStreamTrack. This is useful for microphone data, we know it's already
   // at the correct rate for insertion in the MSG.

dom/media/webrtc/MediaEngineWebRTCAudio.cpp

@@ -741,9 +741,6 @@ MediaEngineWebRTCMicrophoneSource::AllocChannel()
 
       // Check for availability.
       if (!mAudioInput->SetRecordingDevice(mCapIndex)) {
-#ifndef MOZ_B2G
-        // Because of the permission mechanism of B2G, we need to skip the status
-        // check here.
         bool avail = false;
         mAudioInput->GetRecordingDeviceStatus(avail);
         if (!avail) {
@@ -752,7 +749,6 @@ MediaEngineWebRTCMicrophoneSource::AllocChannel()
           }
           return false;
         }
-#endif // MOZ_B2G
 
         // Set "codec" to PCM, 32kHz on 1 channel
         ScopedCustomReleasePtr<webrtc::VoECodec> ptrVoECodec(webrtc::VoECodec::GetInterface(mVoiceEngine));