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

webkit/glue/plugins/plugin_list_posix.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/plugins/plugin_list.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/sha1.h"
 #include "base/string_split.h"
@@ skipping 37 matching lines @@
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(bad_entries); i++) {
     if (bad_entries[i].size != size)
       continue;
 
     std::string file_content;
     if (!file_util::ReadFileToString(path, &file_content))
       continue;
     std::string sha1 = base::SHA1HashString(file_content);
     std::string sha1_readable;
     for (size_t j = 0; j < sha1.size(); j++)
-      StringAppendF(&sha1_readable, "%02x", sha1[j] & 0xFF);
+      base::StringAppendF(&sha1_readable, "%02x", sha1[j] & 0xFF);
     if (bad_entries[i].sha1 == sha1_readable)
       return true;
   }
   return false;
 }
 
 // Some plugins are shells around other plugins; we prefer to use the
 // real plugin directly, if it's available.  This function returns
 // true if we should prefer other plugins over this one.  We'll still
 // use a "undesirable" plugin if no other option is available.
@@ skipping 192 matching lines @@
   }
 
   // TODO(evanm): prefer the newest version of flash, etc. here?
 
   VLOG_IF(1, PluginList::DebugPluginLoading()) << "Using " << info.path.value();
 
   return true;
 }
 
 }  // namespace NPAPI