[uber page] Split up initialization of handlers from initialization of webui pages

chrome/browser/ui/webui/options2/content_settings_handler2.cc

Index: chrome/browser/ui/webui/options2/content_settings_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/content_settings_handler2.cc b/chrome/browser/ui/webui/options2/content_settings_handler2.cc
index c5b771b5a51bd0fed1aa60343a963dcfc6331e35..bea27fe82f817bededfcf3f6e8afa66ef5024126 100644
--- a/chrome/browser/ui/webui/options2/content_settings_handler2.cc
+++ b/chrome/browser/ui/webui/options2/content_settings_handler2.cc
@@ -293,7 +293,7 @@ void ContentSettingsHandler::GetLocalizedValues(
           switches::kDisableRestoreSessionState));
 }
 
-void ContentSettingsHandler::Initialize() {
+void ContentSettingsHandler::InitializeHandler() {
   notification_registrar_.Add(
       this, chrome::NOTIFICATION_PROFILE_CREATED,
       content::NotificationService::AllSources());
@@ -301,8 +301,6 @@ void ContentSettingsHandler::Initialize() {
       this, chrome::NOTIFICATION_PROFILE_DESTROYED,
       content::NotificationService::AllSources());
 
-  UpdateHandlersEnabledRadios();
-  UpdateAllExceptionsViewsFromModel();
   notification_registrar_.Add(
       this, chrome::NOTIFICATION_CONTENT_SETTINGS_CHANGED,
       content::NotificationService::AllSources());
@@ -319,6 +317,11 @@ void ContentSettingsHandler::Initialize() {
   pref_change_registrar_.Add(prefs::kGeolocationContentSettings, this);
 }
 
+void ContentSettingsHandler::InitializePage() {
+  UpdateHandlersEnabledRadios();
+  UpdateAllExceptionsViewsFromModel();
+}
+
 void ContentSettingsHandler::Observe(
     int type,
     const content::NotificationSource& source,