[OnionSoup] Move background_sync.mojom from //content to //third_party/WebKit

content/browser/background_sync/background_sync_manager.h

Index: content/browser/background_sync/background_sync_manager.h
diff --git a/content/browser/background_sync/background_sync_manager.h b/content/browser/background_sync/background_sync_manager.h
index d16a7a85e0d767bdff9de17efe00559bad271fc6..e834495b88afad7f2ca55161fee049dad11a70ff 100644
--- a/content/browser/background_sync/background_sync_manager.h
+++ b/content/browser/background_sync/background_sync_manager.h
@@ -26,11 +26,11 @@
 #include "content/browser/cache_storage/cache_storage_scheduler.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_storage.h"
-#include "content/common/background_sync_service.mojom.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "content/public/browser/background_sync_parameters.h"
 #include "content/public/browser/browser_thread.h"
+#include "third_party/WebKit/public/platform/modules/background_sync/background_sync.mojom.h"
 #include "third_party/WebKit/public/platform/modules/permissions/permission_status.mojom.h"
 #include "url/gurl.h"
 
@@ -123,7 +123,7 @@ class CONTENT_EXPORT BackgroundSyncManager
   virtual void DispatchSyncEvent(
       const std::string& tag,
       const scoped_refptr<ServiceWorkerVersion>& active_version,
-      mojom::BackgroundSyncEventLastChance last_chance,
+      blink::mojom::BackgroundSyncEventLastChance last_chance,
       const ServiceWorkerVersion::StatusCallback& callback);
   virtual void ScheduleDelayedTask(const base::Closure& callback,
                                    base::TimeDelta delay);