Convert Pass()→std::move() in //chrome/browser/extensions

chrome/browser/extensions/blob_reader.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/blob_reader.h"
 
 #include <limits>
+#include <utility>
 
 #include "base/format_macros.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context.h"
@@ skipping 38 matching lines @@
   fetcher_->Start();
 }
 
 // Overridden from net::URLFetcherDelegate.
 void BlobReader::OnURLFetchComplete(const net::URLFetcher* source) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   scoped_ptr<std::string> response(new std::string);
   int64_t first = 0, last = 0, length = 0;
   source->GetResponseAsString(response.get());
   source->GetResponseHeaders()->GetContentRange(&first, &last, &length);
-  callback_.Run(response.Pass(), length);
+  callback_.Run(std::move(response), length);
 
   delete this;
 }