Turn track on by default (switch --enable-video-track flag to --disable-video-track)

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 2f32cd6364c3966a701fada1da15f56dd98838e6..12280c5174795bd70ef581b90e5d3e6077376218 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -212,6 +212,9 @@ const char kSpeechRecognitionWebserviceKey[] = "speech-service-key";
 // Disables animation on the compositor thread.
 const char kDisableThreadedAnimation[]      = "disable-threaded-animation";
 
+// Disables video text tracks.
+const char kDisableVideoTrack[]             = "disable-video-track";
+
 #if defined(OS_ANDROID)
 // Enable web audio API.
 const char kEnableWebAudio[]                = "enable-webaudio";
@@ -378,10 +381,6 @@ const char kEnableTcpFastOpen[]             = "enable-tcp-fastopen";
 const char kDisableAcceleratedVideoDecode[] =
     "disable-accelerated-video-decode";
 
-// Enables support for video tracks. Current implementation is
-// incomplete and this flag is used for development and testing.
-const char kEnableVideoTrack[]              = "enable-video-track";
-
 // Enables the use of the viewport meta tag, which allows
 // pages to control aspects of their own layout. This also turns on touch-screen
 // pinch gestures.