Convert Pass()→std::move() in //content

content/child/service_worker/web_service_worker_registration_impl.cc

Index: content/child/service_worker/web_service_worker_registration_impl.cc
diff --git a/content/child/service_worker/web_service_worker_registration_impl.cc b/content/child/service_worker/web_service_worker_registration_impl.cc
index a33739fd7fb160d9cce29f46bd313ebcb72da8cb..a753de4284881a63b98bc0096551c159a9acf110 100644
--- a/content/child/service_worker/web_service_worker_registration_impl.cc
+++ b/content/child/service_worker/web_service_worker_registration_impl.cc
@@ -4,6 +4,8 @@
 
 #include "content/child/service_worker/web_service_worker_registration_impl.h"
 
+#include <utility>
+
 #include "base/macros.h"
 #include "content/child/service_worker/service_worker_dispatcher.h"
 #include "content/child/service_worker/service_worker_registration_handle_reference.h"
@@ -44,7 +46,7 @@ WebServiceWorkerRegistrationImpl::QueuedTask::~QueuedTask() {}
 
 WebServiceWorkerRegistrationImpl::WebServiceWorkerRegistrationImpl(
     scoped_ptr<ServiceWorkerRegistrationHandleReference> handle_ref)
-    : handle_ref_(handle_ref.Pass()), proxy_(nullptr) {
+    : handle_ref_(std::move(handle_ref)), proxy_(nullptr) {
   DCHECK(handle_ref_);
   DCHECK_NE(kInvalidServiceWorkerRegistrationHandleId,
             handle_ref_->handle_id());