Optimized HostPortPair::ToString and CookieMonster::GetAllCookiesForURLWithOptions.

net/base/host_port_pair.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/base/host_port_pair.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 29 matching lines @@
     return HostPortPair();
   if (!IsPortValid(port))
     return HostPortPair();
   HostPortPair host_port_pair;
   host_port_pair.set_host(key_port[0]);
   host_port_pair.set_port(static_cast<uint16>(port));
   return host_port_pair;
 }
 
 std::string HostPortPair::ToString() const {
-  return base::StringPrintf("%s:%u", HostForURL().c_str(), port_);
+  std::string ret(HostForURL());
+  ret += ':';
+  ret += base::IntToString(port_);
+  return ret;
 }
 
 std::string HostPortPair::HostForURL() const {
   // TODO(rtenneti): Add support for |host| to have '\0'.
   if (host_.find('\0') != std::string::npos) {
     std::string host_for_log(host_);
     size_t nullpos;
     while ((nullpos = host_for_log.find('\0')) != std::string::npos) {
       host_for_log.replace(nullpos, 1, "%00");
     }
     LOG(DFATAL) << "Host has a null char: " << host_for_log;
   }
   // Check to see if the host is an IPv6 address.  If so, added brackets.
   if (host_.find(':') != std::string::npos) {
     DCHECK_NE(host_[0], '[');
     return base::StringPrintf("[%s]", host_.c_str());
   }
 
   return host_;
 }
 
 }  // namespace net