media: Add a web preference to enable encrypted media

content/public/common/web_preferences.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 78 matching lines @@
   int minimum_font_size;
   int minimum_logical_font_size;
   std::string default_encoding;
   bool context_menu_on_mouse_up;
   bool javascript_enabled;
   bool web_security_enabled;
   bool javascript_can_open_windows_automatically;
   bool loads_images_automatically;
   bool images_enabled;
   bool plugins_enabled;
+  bool encrypted_media_enabled;
   bool dom_paste_enabled;
   bool shrinks_standalone_images_to_fit;
   bool text_areas_are_resizable;
   bool allow_scripts_to_close_windows;
   bool remote_fonts_enabled;
   bool javascript_can_access_clipboard;
   bool xslt_enabled;
   bool xss_auditor_enabled;
   // We don't use dns_prefetching_enabled to disable DNS prefetching.  Instead,
   // we disable the feature at a lower layer so that we catch non-WebKit uses
@@ skipping 162 matching lines @@
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
   WebPreferences();
   WebPreferences(const WebPreferences& other);
   ~WebPreferences();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_