Add --enable-webkit-media-source for Android instead of hardcoding it to be disabled.

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 664b87f8e69fac91f21f4fcf22a07d285ff5410e..2e207aa97c496716bb185219e42f0226062fcdfe 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -354,8 +354,13 @@ const char kEnableSkiaBenchmarking[]         = "enable-skia-benchmarking";
 // builds.
 const char kEnableLogging[]                 = "enable-logging";
 
-// Disable prefixed Media Source API (i.e., the WebKitMediaSource object).
-const char kDisableWebKitMediaSource[]     = "disable-webkit-media-source";
+// Enable for Android (see http://crbug.com/233420) or disable for desktop the
+// prefixed Media Source API (i.e., the WebKitMediaSource object).
+#if defined(ANDROID) && !defined(GOOGLE_TV)
+const char kEnableWebKitMediaSource[]       = "enable-webkit-media-source";
+#else
+const char kDisableWebKitMediaSource[]      = "disable-webkit-media-source";
+#endif
 
 // Use fake device for MediaStream to replace actual camera and microphone.
 const char kUseFakeDeviceForMediaStream[] = "use-fake-device-for-media-stream";