Revert "Flip unified media pipeline to default-on w/ disabled holdback."

media/base/media_switches.cc

Index: media/base/media_switches.cc
diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index b3b34f4e7cb9ab9421fd2e7853cc370f76defc09..baa93f9e96ffbc625c38d7f2980bb77431bc8126 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -22,13 +22,13 @@ const char kDisableMediaSuspend[] = "disable-media-suspend";
 const char kDisableMediaThreadForMediaPlayback[] =
     "disable-media-thread-for-media-playback";
 
-// Use WebMediaPlayerAndroid instead of WebMediaPlayerImpl. This is a temporary
-// switch for holding back the new unified media pipeline.
-const char kDisableUnifiedMediaPipeline[] = "disable-unified-media-pipeline";
-
 // Sets the MediaSource player that uses the separate media thread
 const char kEnableMediaThreadForMediaPlayback[] =
     "enable-media-thread-for-media-playback";
+
+// Use WebMediaPlayerImpl instead of WebMediaPlayerAndroid. This is a temporary
+// switch for experimenting with unifying the Android playback pipeline.
+const char kEnableUnifiedMediaPipeline[] = "enable-unified-media-pipeline";
 #endif
 
 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_SOLARIS)