media: Add a web preference to enable encrypted media

chrome/browser/ui/prefs/prefs_tab_helper.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 "chrome/browser/ui/prefs/prefs_tab_helper.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 73 matching lines @@
   prefs::kWebKitFontScaleFactor,
   prefs::kWebKitForceEnableZoom,
   prefs::kWebKitPasswordEchoEnabled,
 #endif
   prefs::kWebKitJavascriptCanOpenWindowsAutomatically,
   prefs::kWebKitJavascriptEnabled,
   prefs::kWebKitLoadsImagesAutomatically,
   prefs::kWebKitMinimumFontSize,
   prefs::kWebKitMinimumLogicalFontSize,
   prefs::kWebKitPluginsEnabled,
+  prefs::kWebKitEncryptedMediaEnabled,
   prefs::kWebkitTabsToLinks,
   prefs::kWebKitTextAreasAreResizable,
   prefs::kWebKitWebSecurityEnabled,
 };
 
 const int kPrefsToObserveLength = arraysize(kPrefsToObserve);
 
 #if !defined(OS_ANDROID)
 // Registers a preference under the path |pref_name| for each script used for
 // per-script font prefs.
@@ skipping 411 matching lines @@
   registry->RegisterBooleanPref(prefs::kWebKitJavascriptEnabled,
                                 pref_defaults.javascript_enabled);
   registry->RegisterBooleanPref(prefs::kWebKitWebSecurityEnabled,
                                 pref_defaults.web_security_enabled);
   registry->RegisterBooleanPref(
       prefs::kWebKitJavascriptCanOpenWindowsAutomatically, true);
   registry->RegisterBooleanPref(prefs::kWebKitLoadsImagesAutomatically,
                                 pref_defaults.loads_images_automatically);
   registry->RegisterBooleanPref(prefs::kWebKitPluginsEnabled,
                                 pref_defaults.plugins_enabled);
+  registry->RegisterBooleanPref(prefs::kWebKitEncryptedMediaEnabled,
+                                pref_defaults.encrypted_media_enabled);
   registry->RegisterBooleanPref(prefs::kWebKitDomPasteEnabled,
                                 pref_defaults.dom_paste_enabled);
   registry->RegisterBooleanPref(prefs::kWebKitTextAreasAreResizable,
                                 pref_defaults.text_areas_are_resizable);
   registry->RegisterBooleanPref(prefs::kWebkitTabsToLinks,
                                 pref_defaults.tabs_to_links);
   registry->RegisterBooleanPref(prefs::kWebKitAllowRunningInsecureContent,
                                 false);
   registry->RegisterBooleanPref(prefs::kEnableReferrers, true);
 #if defined(OS_ANDROID)
@@ skipping 139 matching lines @@
 }
 
 void PrefsTabHelper::NotifyWebkitPreferencesChanged(
     const std::string& pref_name) {
 #if !defined(OS_ANDROID)
   OnFontFamilyPrefChanged(pref_name);
 #endif
 
   web_contents_->GetRenderViewHost()->OnWebkitPreferencesChanged();
 }