Remove EME and MSE from RuntimeEnabledFeatures.

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 92b7dc4ccc2652564ca6fd882fbaff3d7b47d0a7..d7a3e4ee2855af4546bd9089cee994637f78b994 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -207,9 +207,6 @@ const char kDisableLocalStorage[]           = "disable-local-storage";
 // builds.
 const char kDisableLogging[]                = "disable-logging";
 
-// Disables Media Source API (i.e., the MediaSource object).
-const char kDisableMediaSource[]            = "disable-media-source";
-
 // Disables usage of the namespace sandbox.
 const char kDisableNamespaceSandbox[]       = "disable-namespace-sandbox";
 
@@ -342,9 +339,6 @@ const char kEnableDisplayList2dCanvas[]     = "enable-display-list-2d-canvas";
 const char kForceDisplayList2dCanvas[]      = "force-display-list-2d-canvas";
 const char kDisableDisplayList2dCanvas[]    = "disable-display-list-2d-canvas";
 
-// Disables (unprefixed) Encrypted Media Extensions.
-const char kDisableEncryptedMedia[] = "disable-encrypted-media";
-
 // Enable experimental canvas features, e.g. canvas 2D context attributes
 const char kEnableExperimentalCanvasFeatures[] =
     "enable-experimental-canvas-features";