Revert 275781 "Revert 273044 "Change kEnableAudioTrackProcessing..."

trunk/src/content/renderer/media/media_stream_audio_processor_unittest.cc

Index: trunk/src/content/renderer/media/media_stream_audio_processor_unittest.cc
===================================================================
--- trunk/src/content/renderer/media/media_stream_audio_processor_unittest.cc	(revision 275781)
+++ trunk/src/content/renderer/media/media_stream_audio_processor_unittest.cc	(working copy)
@@ -154,7 +154,9 @@
 };
 
 TEST_F(MediaStreamAudioProcessorTest, WithoutAudioProcessing) {
-  // Setup the audio processor without enabling the flag.
+  // Setup the audio processor with disabled flag on.
+  CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kDisableAudioTrackProcessing);
   MockMediaConstraintFactory constraint_factory;
   scoped_refptr<WebRtcAudioDeviceImpl> webrtc_audio_device(
       new WebRtcAudioDeviceImpl());
@@ -175,9 +177,6 @@
 }
 
 TEST_F(MediaStreamAudioProcessorTest, WithAudioProcessing) {
-  // Setup the audio processor with the flag enabled.
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableAudioTrackProcessing);
   MockMediaConstraintFactory constraint_factory;
   scoped_refptr<WebRtcAudioDeviceImpl> webrtc_audio_device(
       new WebRtcAudioDeviceImpl());
@@ -199,9 +198,6 @@
 }
 
 TEST_F(MediaStreamAudioProcessorTest, VerifyTabCaptureWithoutAudioProcessing) {
-  // Setup the audio processor with enabling the flag.
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableAudioTrackProcessing);
   scoped_refptr<WebRtcAudioDeviceImpl> webrtc_audio_device(
       new WebRtcAudioDeviceImpl());
   // Create MediaStreamAudioProcessor instance for kMediaStreamSourceTab source.
@@ -238,10 +234,6 @@
 }
 
 TEST_F(MediaStreamAudioProcessorTest, TurnOffDefaultConstraints) {
-  // Setup the audio processor with enabling the flag.
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableAudioTrackProcessing);
-
   // Turn off the default constraints and pass it to MediaStreamAudioProcessor.
   MockMediaConstraintFactory constraint_factory;
   constraint_factory.DisableDefaultAudioConstraints();
@@ -264,10 +256,6 @@
 }
 
 TEST_F(MediaStreamAudioProcessorTest, VerifyConstraints) {
-  // Setup the audio processor with enabling the flag.
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableAudioTrackProcessing);
-
   static const char* kDefaultAudioConstraints[] = {
     MediaAudioConstraints::kEchoCancellation,
     MediaAudioConstraints::kGoogAudioMirroring,