Replace "enable-encrypted-media" flag with "disable-encrypted-media".

content/public/common/content_switches.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 
 namespace switches {
@@ skipping 294 matching lines @@
 //  1. Enable: allow browser to use display list for 2d canvas (browser makes
 //     decision).
 //  2. Force: browser always uses display list for 2d canvas.
 const char kEnableDisplayList2dCanvas[]     = "enable-display-list-2d-canvas";
 const char kForceDisplayList2dCanvas[]      = "force-display-list-2d-canvas";
 const char kDisableDisplayList2dCanvas[]    = "disable-display-list-2d-canvas";
 
 // Enables restarting interrupted downloads.
 const char kEnableDownloadResumption[]      = "enable-download-resumption";
 
-// Enables support for Encrypted Media Extensions (e.g. MediaKeys).
-const char kEnableEncryptedMedia[] = "enable-encrypted-media";
+// 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";
 
 // Enables Web Platform features that are in development.
 const char kEnableExperimentalWebPlatformFeatures[] =
     "enable-experimental-web-platform-features";
 
 // By default, cookies are not allowed on file://. They are needed for testing,
@@ skipping 646 matching lines @@
   if (cmd_line->HasSwitch(kDisableWin32kRendererLockDown))
     return false;
   // Default.
   return group_name == "Enabled";
 }
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches