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

chrome/browser/feedback/system_logs/system_logs_fetcher_base.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/feedback/system_logs/system_logs_fetcher_base.h"
 
+#include <utility>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace system_logs {
 
 SystemLogsSource::SystemLogsSource(const std::string& source_name)
     : source_name_(source_name) {
@@ skipping 34 matching lines @@
        ++it) {
     // It is an error to insert an element with a pre-existing key.
     bool ok = response_->insert(*it).second;
     DCHECK(ok) << "Duplicate key found: " << it->first;
   }
 
   --num_pending_requests_;
   if (num_pending_requests_ > 0)
     return;
 
-  callback_.Run(response_.Pass());
+  callback_.Run(std::move(response_));
   BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this);
 }
 
 }  // namespace system_logs