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

storage/browser/blob/upload_blob_element_reader.cc

Index: storage/browser/blob/upload_blob_element_reader.cc
diff --git a/storage/browser/blob/upload_blob_element_reader.cc b/storage/browser/blob/upload_blob_element_reader.cc
index d44f84053add31981baa313571e2021ee1935bf8..3c86051f92d5124ee7fd52fc79ec75027ff96c70 100644
--- a/storage/browser/blob/upload_blob_element_reader.cc
+++ b/storage/browser/blob/upload_blob_element_reader.cc
@@ -5,6 +5,7 @@
 #include "storage/browser/blob/upload_blob_element_reader.h"
 
 #include <stdint.h>
+#include <utility>
 
 #include "base/single_thread_task_runner.h"
 #include "net/base/net_errors.h"
@@ -18,7 +19,7 @@ UploadBlobElementReader::UploadBlobElementReader(
     scoped_ptr<BlobDataHandle> handle,
     FileSystemContext* file_system_context,
     base::SingleThreadTaskRunner* file_task_runner)
-    : handle_(handle.Pass()),
+    : handle_(std::move(handle)),
       file_system_context_(file_system_context),
       file_runner_(file_task_runner) {}