Add a flag to disable infobar popup when accessing media drm credentials

for webapps, this is not needed

BUG=297643

Review URL: https://chromiumcodereview.appspot.com/24323013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225123 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 2daade6..c7627f6 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -818,6 +818,13 @@
   },
 #if defined(OS_ANDROID)
   {
+    "disable-infobar-for-protected-media-identifier",
+    IDS_FLAGS_DISABLE_INFOBAR_FOR_PROTECTED_MEDIA_IDENTIFIER_NAME,
+    IDS_FLAGS_DISABLE_INFOBAR_FOR_PROTECTED_MEDIA_IDENTIFIER_DESCRIPTION,
+    kOsAndroid,
+    SINGLE_VALUE_TYPE(switches::kDisableInfobarForProtectedMediaIdentifier)
+  },
+  {
     "mediadrm-enable-non-compositing",
     IDS_FLAGS_MEDIADRM_ENABLE_NON_COMPOSITING_NAME,
     IDS_FLAGS_MEDIADRM_ENABLE_NON_COMPOSITING_DESCRIPTION,