add "always allow" option to the mediastream infobar and allow user to allow/not allow acces to devi

chrome/browser/content_settings/content_settings_policy_provider.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/content_settings/content_settings_policy_provider.h"
 
 #include <string>
 #include <vector>
 
 #include "base/json/json_reader.h"
@@ skipping 17 matching lines @@
   prefs::kManagedDefaultCookiesSetting,
   prefs::kManagedDefaultImagesSetting,
   prefs::kManagedDefaultJavaScriptSetting,
   prefs::kManagedDefaultPluginsSetting,
   prefs::kManagedDefaultPopupsSetting,
   prefs::kManagedDefaultGeolocationSetting,
   prefs::kManagedDefaultNotificationsSetting,
   NULL,  // No policy for default value of content type intents
   NULL,  // No policy for default value of content type auto-select-certificate
   NULL,  // No policy for default value of fullscreen requests
+  prefs::kManagedDefaultMediaStreamSetting,
 };
 
 struct PrefsForManagedContentSettingsMapEntry {
   const char* pref_name;
   ContentSettingsType content_type;
   ContentSetting setting;
 };
 
 const PrefsForManagedContentSettingsMapEntry
     kPrefsForManagedContentSettingsMap[] = {
@@ skipping 102 matching lines @@
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kManagedDefaultPopupsSetting,
                              CONTENT_SETTING_DEFAULT,
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kManagedDefaultGeolocationSetting,
                              CONTENT_SETTING_DEFAULT,
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kManagedDefaultNotificationsSetting,
                              CONTENT_SETTING_DEFAULT,
                              PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterIntegerPref(prefs::kManagedDefaultMediaStreamSetting,
+                             CONTENT_SETTING_DEFAULT,
+                             PrefService::UNSYNCABLE_PREF);
 }
 
 PolicyProvider::PolicyProvider(PrefService* prefs) : prefs_(prefs) {
   DCHECK_EQ(arraysize(kPrefToManageType),
             static_cast<size_t>(CONTENT_SETTINGS_NUM_TYPES));
   ReadManagedDefaultSettings();
   ReadManagedContentSettings(false);
 
   pref_change_registrar_.Init(prefs_);
   pref_change_registrar_.Add(prefs::kManagedAutoSelectCertificateForUrls, this);
@@ skipping 17 matching lines @@
   // in parallel to the preference default content settings.  If a
   // default content settings type is managed any user defined excpetions
   // (patterns) for this type are ignored.
   pref_change_registrar_.Add(prefs::kManagedDefaultCookiesSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultImagesSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultJavaScriptSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultPluginsSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultPopupsSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultGeolocationSetting, this);
   pref_change_registrar_.Add(prefs::kManagedDefaultNotificationsSetting, this);
+  pref_change_registrar_.Add(prefs::kManagedDefaultMediaStreamSetting, this);
 }
 
 PolicyProvider::~PolicyProvider() {
   DCHECK(!prefs_);
 }
 
 RuleIterator* PolicyProvider::GetRuleIterator(
     ContentSettingsType content_type,
     const ResourceIdentifier& resource_identifier,
     bool incognito) const {
@@ skipping 221 matching lines @@
     } else if (*name == prefs::kManagedDefaultJavaScriptSetting) {
       UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_JAVASCRIPT);
     } else if (*name == prefs::kManagedDefaultPluginsSetting) {
       UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_PLUGINS);
     } else if (*name == prefs::kManagedDefaultPopupsSetting) {
       UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_POPUPS);
     } else if (*name == prefs::kManagedDefaultGeolocationSetting) {
       UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_GEOLOCATION);
     } else if (*name == prefs::kManagedDefaultNotificationsSetting) {
       UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
+    } else if (*name == prefs::kManagedDefaultMediaStreamSetting) {
+      UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM);
     } else if (*name == prefs::kManagedAutoSelectCertificateForUrls ||
         *name == prefs::kManagedCookiesAllowedForUrls ||
         *name == prefs::kManagedCookiesBlockedForUrls ||
         *name == prefs::kManagedCookiesSessionOnlyForUrls ||
         *name == prefs::kManagedImagesAllowedForUrls ||
         *name == prefs::kManagedImagesBlockedForUrls ||
         *name == prefs::kManagedJavaScriptAllowedForUrls ||
         *name == prefs::kManagedJavaScriptBlockedForUrls ||
         *name == prefs::kManagedPluginsAllowedForUrls ||
         *name == prefs::kManagedPluginsBlockedForUrls ||
         *name == prefs::kManagedPopupsAllowedForUrls ||
         *name == prefs::kManagedPopupsBlockedForUrls ||
         *name == prefs::kManagedNotificationsAllowedForUrls ||
         *name == prefs::kManagedNotificationsBlockedForUrls) {
       ReadManagedContentSettings(true);
       ReadManagedDefaultSettings();
     }
   } else {
     NOTREACHED() << "Unexpected notification";
     return;
   }
   NotifyObservers(ContentSettingsPattern(),
                   ContentSettingsPattern(),
                   CONTENT_SETTINGS_TYPE_DEFAULT,
                   std::string());
 }
 
 }  // namespace content_settings