Revert 273044 "Change kEnableAudioTrackProcessing to a disable f..."

trunk/src/content/renderer/media/webrtc/webrtc_local_audio_track_adapter_unittest.cc

Index: trunk/src/content/renderer/media/webrtc/webrtc_local_audio_track_adapter_unittest.cc
===================================================================
--- trunk/src/content/renderer/media/webrtc/webrtc_local_audio_track_adapter_unittest.cc	(revision 275780)
+++ trunk/src/content/renderer/media/webrtc/webrtc_local_audio_track_adapter_unittest.cc	(working copy)
@@ -88,12 +88,12 @@
   webrtc::AudioTrackInterface* webrtc_track =
       static_cast<webrtc::AudioTrackInterface*>(adapter_.get());
   int signal_level = 0;
-  EXPECT_TRUE(webrtc_track->GetSignalLevel(&signal_level));
+  EXPECT_FALSE(webrtc_track->GetSignalLevel(&signal_level));
 
-  // Disable the audio processing in the audio track.
+  // Enable the audio processing in the audio track.
   CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kDisableAudioTrackProcessing);
-  EXPECT_FALSE(webrtc_track->GetSignalLevel(&signal_level));
+      switches::kEnableAudioTrackProcessing);
+  EXPECT_TRUE(webrtc_track->GetSignalLevel(&signal_level));
 }
 
 }  // namespace content