base: Get rid of 'using' declaration of StringAppendF.

webkit/glue/user_agent.cc

 // Copyright (c) 2010 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 "webkit/glue/user_agent.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include <sys/utsname.h>
 #endif
 
@@ skipping 34 matching lines @@
   std::string cputype;
   // special case for biarch systems
   if (strcmp(unixinfo.machine, "x86_64") == 0 &&
       sizeof(void*) == sizeof(int32)) {  // NOLINT
     cputype.assign("i686 (x86_64)");
   } else {
     cputype.assign(unixinfo.machine);
   }
 #endif
 
-  StringAppendF(
+  base::StringAppendF(
       &os_cpu,
 #if defined(OS_WIN)
       "Windows NT %d.%d",
       os_major_version,
       os_minor_version
 #elif defined(OS_MACOSX)
       "Intel Mac OS X %d_%d_%d",
       os_major_version,
       os_minor_version,
       os_bugfix_version
@@ skipping 29 matching lines @@
 
   // TODO(port): figure out correct locale
   const char kUserAgentLocale[] = "en-US";
 
   // Get the product name and version, and replace Safari's Version/X string
   // with it.  This is done to expose our product name in a manner that is
   // maximally compatible with Safari, we hope!!
   std::string product = GetProductVersion();
 
   // Derived from Safari's UA string.
-  StringAppendF(
+  base::StringAppendF(
       result,
       "Mozilla/5.0 (%s; %c; %s; %s) AppleWebKit/%d.%d"
       " (KHTML, like Gecko) %s Safari/%d.%d",
       mimic_windows ? "Windows" : kUserAgentPlatform,
       kUserAgentSecurity,
       ((mimic_windows ? "Windows " : "") + BuildOSCpuInfo()).c_str(),
       kUserAgentLocale,
       WEBKIT_VERSION_MAJOR,
       WEBKIT_VERSION_MINOR,
       product.c_str(),
       WEBKIT_VERSION_MAJOR,
       WEBKIT_VERSION_MINOR);
 }
 
 }  // namespace webkit_glue