Convert Pass()→std::move() in //net

net/http/http_request_headers.cc

 // Copyright (c) 2012 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 "net/http/http_request_headers.h"
 
+#include <utility>
+
 #include "base/logging.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "net/http/http_log_util.h"
 #include "net/http/http_util.h"
 
 namespace net {
 
@@ skipping 179 matching lines @@
   base::ListValue* headers = new base::ListValue();
   for (HeaderVector::const_iterator it = headers_.begin();
        it != headers_.end(); ++it) {
     std::string log_value =
         ElideHeaderValueForNetLog(capture_mode, it->key, it->value);
     headers->Append(new base::StringValue(
         base::StringPrintf("%s: %s",
                            it->key.c_str(), log_value.c_str())));
   }
   dict->Set("headers", headers);
-  return dict.Pass();
+  return std::move(dict);
 }
 
 // static
 bool HttpRequestHeaders::FromNetLogParam(const base::Value* event_param,
                                          HttpRequestHeaders* headers,
                                          std::string* request_line) {
   headers->Clear();
   *request_line = "";
 
   const base::DictionaryValue* dict = NULL;
@@ skipping 36 matching lines @@
   for (HeaderVector::const_iterator it = headers_.begin();
        it != headers_.end(); ++it) {
     if (base::EqualsCaseInsensitiveASCII(key, it->key))
       return it;
   }
 
   return headers_.end();
 }
 
 }  // namespace net