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

chrome/browser/net/predictor.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 "chrome/browser/net/predictor.h"
 
 #include <algorithm>
 #include <set>
 #include <sstream>
 
@@ skipping 343 matching lines @@
       "<th>Expected<br>Connects</th>"
       "<th>Subresource Spec</th></tr>");
 
   for (SortedNames::iterator it = sorted_names.begin();
        sorted_names.end() != it; ++it) {
     Referrer* referrer = &(referrers_[*it]);
     bool first_set_of_futures = true;
     for (Referrer::iterator future_url = referrer->begin();
          future_url != referrer->end(); ++future_url) {
       output->append("<tr align=right>");
-      if (first_set_of_futures)
-        StringAppendF(output, "<td rowspan=%d>%s</td><td rowspan=%d>%d</td>",
-                      static_cast<int>(referrer->size()),
-                      it->spec().c_str(),
-                      static_cast<int>(referrer->size()),
-                      static_cast<int>(referrer->use_count()));
+      if (first_set_of_futures) {
+        base::StringAppendF(output,
+                            "<td rowspan=%d>%s</td><td rowspan=%d>%d</td>",
+                            static_cast<int>(referrer->size()),
+                            it->spec().c_str(),
+                            static_cast<int>(referrer->size()),
+                            static_cast<int>(referrer->use_count()));
+      }
       first_set_of_futures = false;
-      StringAppendF(output,
+      base::StringAppendF(output,
           "<td>%d</td><td>%d</td><td>%d</td><td>%2.3f</td><td>%s</td></tr>",
           static_cast<int>(future_url->second.navigation_count()),
           static_cast<int>(future_url->second.preconnection_count()),
           static_cast<int>(future_url->second.preresolution_count()),
           static_cast<double>(future_url->second.subresource_use_rate()),
           future_url->first.spec().c_str());
     }
   }
   output->append("</table>");
 }
@@ skipping 301 matching lines @@
   // If we omit a port, it will default to 80 or 443 as appropriate.
   std::string colon_plus_port;
   if (url.has_port())
     colon_plus_port = ":" + url.port();
 
   return GURL(scheme + "://" + url.host() + colon_plus_port);
 }
 
 
 }  // namespace chrome_browser_net