Move the notification constants to Blink

content/child/notifications/notification_manager.cc

Index: content/child/notifications/notification_manager.cc
diff --git a/content/child/notifications/notification_manager.cc b/content/child/notifications/notification_manager.cc
index 7a27ad024ff153cd46833e0350304daff6c2c9ef..a3e10def6b2e197c3a306988c663c897e2bcfab3 100644
--- a/content/child/notifications/notification_manager.cc
+++ b/content/child/notifications/notification_manager.cc
@@ -14,7 +14,6 @@
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/service_worker/web_service_worker_registration_impl.h"
 #include "content/child/thread_safe_sender.h"
-#include "content/common/notification_constants.h"
 #include "content/public/common/notification_resources.h"
 #include "content/public/common/platform_notification_data.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
@@ -225,10 +224,6 @@ WebNotificationPermission NotificationManager::checkPermission(
   return permission;
 }
 
-size_t NotificationManager::maxActions() {
-  return kPlatformNotificationMaxActions;
-}
-
 bool NotificationManager::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(NotificationManager, message)