Handler settings page.

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 7f76ed8e30956ef86aae6aadb7dc6105dba238b5..cd26c255b8190fdfc0da54452e572ad43e0f025d 100644
--- a/chrome/browser/ui/webui/options/content_settings_handler.cc
+++ b/chrome/browser/ui/webui/options/content_settings_handler.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/content_settings_details.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
@@ -199,6 +200,7 @@ void ContentSettingsHandler::GetLocalizedValues(
     { "examplePattern", IDS_EXCEPTIONS_PATTERN_EXAMPLE },
     { "addNewExceptionInstructions", IDS_EXCEPTIONS_ADD_NEW_INSTRUCTIONS },
     { "manage_exceptions", IDS_EXCEPTIONS_MANAGE },
+    { "manage_handlers", IDS_HANDLERS_MANAGE },
     { "exceptionPatternHeader", IDS_EXCEPTIONS_PATTERN_HEADER },
     { "exceptionBehaviorHeader", IDS_EXCEPTIONS_ACTION_HEADER },
     // Cookies filter.
@@ -271,6 +273,7 @@ void ContentSettingsHandler::Initialize() {
       this, NotificationType::PROFILE_DESTROYED,
       NotificationService::AllSources());
 
+  UpdateHandlersEnabledRadios();
   UpdateAllExceptionsViewsFromModel();
   notification_registrar_.Add(
       this, NotificationType::CONTENT_SETTINGS_CHANGED,
@@ -281,6 +284,9 @@ void ContentSettingsHandler::Initialize() {
   notification_registrar_.Add(
       this, NotificationType::DESKTOP_NOTIFICATION_SETTINGS_CHANGED,
       NotificationService::AllSources());
+  notification_registrar_.Add(
+      this, NotificationType::PROTOCOL_HANDLER_REGISTRY_CHANGED,
+      NotificationService::AllSources());
 
   PrefService* prefs = web_ui_->GetProfile()->GetPrefs();
   pref_change_registrar_.Init(prefs);
@@ -337,6 +343,11 @@ void ContentSettingsHandler::Observe(NotificationType type,
       break;
     }
 
+    case NotificationType::PROTOCOL_HANDLER_REGISTRY_CHANGED: {
+      UpdateHandlersEnabledRadios();
+      break;
+    }
+
     default:
       OptionsPageUIHandler::Observe(type, source, details);
   }
@@ -383,6 +394,14 @@ bool ContentSettingsHandler::GetDefaultSettingManagedFromModel(
   }
 }
 
+void ContentSettingsHandler::UpdateHandlersEnabledRadios() {
+  DCHECK(web_ui_);
+  FundamentalValue* handlers_enabled = Value::CreateBooleanValue(
+      GetProtocolHandlerRegistry()->enabled());
+  web_ui_->CallJavascriptFunction("ContentSettings.updateHandlersEnabledRadios",
+      *handlers_enabled);
+}
+
 void ContentSettingsHandler::UpdateAllExceptionsViewsFromModel() {
   for (int type = CONTENT_SETTINGS_TYPE_DEFAULT + 1;
        type < CONTENT_SETTINGS_NUM_TYPES; ++type) {
@@ -721,6 +740,10 @@ HostContentSettingsMap* ContentSettingsHandler::GetContentSettingsMap() {
   return web_ui_->GetProfile()->GetHostContentSettingsMap();
 }
 
+ProtocolHandlerRegistry* ContentSettingsHandler::GetProtocolHandlerRegistry() {
+  return web_ui_->GetProfile()->GetProtocolHandlerRegistry();
+}
+
 HostContentSettingsMap*
     ContentSettingsHandler::GetOTRContentSettingsMap() {
   Profile* profile = web_ui_->GetProfile();