Landing Recent QUIC changes until 3:35 PM, Apr 26, 2017 UTC-4

net/quic/platform/impl/quic_str_cat_impl.h

 // Copyright (c) 2016 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.
 
 #ifndef NET_QUIC_PLATFORM_IMPL_QUIC_STR_CAT_IMPL_H_
 #define NET_QUIC_PLATFORM_IMPL_QUIC_STR_CAT_IMPL_H_
 
 #include <sstream>
 #include <string>
 
 #include "base/strings/stringprintf.h"
 
 namespace net {
 
 template <typename... Args>
 inline std::string QuicStrCatImpl(const Args&... args) {
   std::ostringstream oss;
   int dummy[] = {1, (oss << args, 0)...};
   static_cast<void>(dummy);
   return oss.str();
 }
 
 template <typename... Args>
 inline std::string QuicStringPrintfImpl(const Args&... args) {
-  return std::move(base::StringPrintf(std::forward<const Args&>(args)...));
+  return base::StringPrintf(std::forward<const Args&>(args)...);
 }
 
 }  // namespace net
 
 #endif  // NET_QUIC_PLATFORM_IMPL_QUIC_STR_CAT_IMPL_H_