Migrate the notification permission to the new common permission classes.

chrome/browser/ui/webui/options/content_settings_handler.cc

Index: chrome/browser/ui/webui/options/content_settings_handler.cc
diff --git a/chrome/browser/ui/webui/options/content_settings_handler.cc b/chrome/browser/ui/webui/options/content_settings_handler.cc
index 145061e32bb5200ac4e2c28bd60dacc9ff11d71e..50612e65c795b50524975ce3b79e338e3f231714 100644
--- a/chrome/browser/ui/webui/options/content_settings_handler.cc
+++ b/chrome/browser/ui/webui/options/content_settings_handler.cc
@@ -677,15 +677,9 @@ std::string ContentSettingsHandler::GetSettingDefaultFromModel(
     ContentSettingsType type, std::string* provider_id) {
   Profile* profile = Profile::FromWebUI(web_ui());
   ContentSetting default_setting;
-  if (type == CONTENT_SETTINGS_TYPE_NOTIFICATIONS) {
-    default_setting =
-        DesktopNotificationServiceFactory::GetForProfile(profile)->
-            GetDefaultContentSetting(provider_id);
-  } else {
-    default_setting =
-        profile->GetHostContentSettingsMap()->
-            GetDefaultContentSetting(type, provider_id);
-  }
+  default_setting =
+      profile->GetHostContentSettingsMap()->
+      GetDefaultContentSetting(type, provider_id);
 
   return ContentSettingToString(default_setting);
 }
@@ -1170,8 +1164,12 @@ void ContentSettingsHandler::RemoveNotificationException(
 
   DCHECK(content_setting == CONTENT_SETTING_ALLOW ||
          content_setting == CONTENT_SETTING_BLOCK);
-  DesktopNotificationServiceFactory::GetForProfile(profile)->
-      ClearSetting(ContentSettingsPattern::FromString(origin));
+  profile->GetHostContentSettingsMap()->SetContentSetting(
+      ContentSettingsPattern::FromString(origin),
+       ContentSettingsPattern::Wildcard(),
+       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
+       NO_RESOURCE_IDENTIFIER,
+       CONTENT_SETTING_DEFAULT);
 }
 
 void ContentSettingsHandler::RemoveMediaException(const base::ListValue* args) {
@@ -1313,14 +1311,11 @@ void ContentSettingsHandler::SetContentFilter(const base::ListValue* args) {
     profile = profile->GetOriginalProfile();
 #endif
 
-  if (content_type == CONTENT_SETTINGS_TYPE_NOTIFICATIONS) {
-    DesktopNotificationServiceFactory::GetForProfile(profile)->
-        SetDefaultContentSetting(default_setting);
-  } else {
-    HostContentSettingsMap* map = profile->GetHostContentSettingsMap();
-    ApplyWhitelist(content_type, default_setting);
-    map->SetDefaultContentSetting(content_type, default_setting);
-  }
+
+  HostContentSettingsMap* map = profile->GetHostContentSettingsMap();
+  ApplyWhitelist(content_type, default_setting);
+  map->SetDefaultContentSetting(content_type, default_setting);
+
   switch (content_type) {
     case CONTENT_SETTINGS_TYPE_COOKIES:
       content::RecordAction(