Injectable audio encoders: Moved audio encoder, factory and builtin factory to api/.

webrtc/media/engine/nullwebrtcvideoengine_unittest.cc

Index: webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
diff --git a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
index f1b4f2f65429c326288aeba7318bba05d6e1e60b..342b5a89368dc0d9f6ed2b865bcc4f286405149c 100644
--- a/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
+++ b/webrtc/media/engine/nullwebrtcvideoengine_unittest.cc
@@ -12,6 +12,7 @@
 #include "webrtc/media/engine/webrtcvoiceengine.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/mock_audio_decoder_factory.h"
+#include "webrtc/test/mock_audio_encoder_factory.h"
 
 namespace cricket {
 
@@ -20,12 +21,15 @@ class WebRtcMediaEngineNullVideo
  public:
   WebRtcMediaEngineNullVideo(
       webrtc::AudioDeviceModule* adm,
+      const rtc::scoped_refptr<webrtc::AudioEncoderFactory>&
+          audio_encoder_factory,
       const rtc::scoped_refptr<webrtc::AudioDecoderFactory>&
           audio_decoder_factory,
       WebRtcVideoEncoderFactory* video_encoder_factory,
       WebRtcVideoDecoderFactory* video_decoder_factory)
       : CompositeMediaEngine<WebRtcVoiceEngine, NullWebRtcVideoEngine>(
             adm,
+            audio_encoder_factory,
             audio_decoder_factory,
             nullptr) {
     video_.SetExternalDecoderFactory(video_decoder_factory);
@@ -37,8 +41,8 @@ class WebRtcMediaEngineNullVideo
 // required by CompositeMediaEngine.
 TEST(NullWebRtcVideoEngineTest, CheckInterface) {
   WebRtcMediaEngineNullVideo engine(
-      nullptr, webrtc::MockAudioDecoderFactory::CreateUnusedFactory(), nullptr,
-      nullptr);
+      nullptr, webrtc::MockAudioEncoderFactory::CreateUnusedFactory(),
+      webrtc::MockAudioDecoderFactory::CreateUnusedFactory(), nullptr, nullptr);
   EXPECT_TRUE(engine.Init());
 }