Add a content switch to turn off unprefixed MediaSource API

this is for ICS devices

blink CL: https://codereview.chromium.org/26028003/

BUG=304112

Review URL: https://codereview.chromium.org/26015004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227577 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index f39d52c..c7c14de 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -780,6 +780,13 @@
     SINGLE_VALUE_TYPE(switches::kDisableWebKitMediaSource)
   },
   {
+    "disable-unprefixed-media-source",
+    IDS_FLAGS_DISABLE_UNPREFIXED_MEDIA_SOURCE_NAME,
+    IDS_FLAGS_DISABLE_UNPREFIXED_MEDIA_SOURCE_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kDisableUnprefixedMediaSource)
+  },
+  {
     "enable-encrypted-media",
     IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_NAME,
     IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_DESCRIPTION,