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

chrome/browser/net/url_info.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/url_info.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 233 matching lines @@
   // DISALLOW_COPY_AND_ASSIGN(MinMaxAverage);
 };
 
 static std::string HoursMinutesSeconds(int seconds) {
   std::string result;
   int print_seconds = seconds % 60;
   int minutes = seconds / 60;
   int print_minutes = minutes % 60;
   int print_hours = minutes/60;
   if (print_hours)
-    StringAppendF(&result, "%.2d:",  print_hours);
+    base::StringAppendF(&result, "%.2d:",  print_hours);
   if (print_hours || print_minutes)
-    StringAppendF(&result, "%2.2d:",  print_minutes);
-  StringAppendF(&result, "%2.2d",  print_seconds);
+    base::StringAppendF(&result, "%2.2d:",  print_minutes);
+  base::StringAppendF(&result, "%2.2d",  print_seconds);
   return result;
 }
 
 // static
 void UrlInfo::GetHtmlTable(const UrlInfoTable host_infos,
                                const char* description,
                                const bool brief,
                                std::string* output) {
   if (0 == host_infos.size())
     return;
   output->append(description);
-  StringAppendF(output, "%" PRIuS " %s", host_infos.size(),
-                (1 == host_infos.size()) ? "hostname" : "hostnames");
+  base::StringAppendF(output, "%" PRIuS " %s", host_infos.size(),
+                      (1 == host_infos.size()) ? "hostname" : "hostnames");
 
   if (brief) {
     output->append("<br><br>");
     return;
   }
 
   output->append("<br><table border=1>"
       "<tr><th>Host name</th>"
       "<th>How long ago<br>(HH:MM:SS)</th>"
       "<th>Motivation</th>"
       "</tr>");
 
   const char* row_format = "<tr align=right><td>%s</td>"  // Host name.
                            "<td>%s</td>"                  // How long ago.
                            "<td>%s</td>"                  // Motivation.
                            "</tr>";
 
   // Print bulk of table, and gather stats at same time.
   MinMaxAverage queue, when;
   TimeTicks current_time = TimeTicks::Now();
   for (UrlInfoTable::const_iterator it(host_infos.begin());
        it != host_infos.end(); it++) {
     queue.sample((it->queue_duration_.InMilliseconds()));
-    StringAppendF(output, row_format,
-                  RemoveJs(it->url_.spec()).c_str(),
-                  HoursMinutesSeconds(when.sample(
-                      (current_time - it->time_).InSeconds())).c_str(),
-                  it->GetAsciiMotivation().c_str());
+    base::StringAppendF(
+        output,
+        row_format,
+        RemoveJs(it->url_.spec()).c_str(),
+                 HoursMinutesSeconds(when.sample(
+                     (current_time - it->time_).InSeconds())).c_str(),
+        it->GetAsciiMotivation().c_str());
   }
   output->append("</table>");
 
 #ifndef NDEBUG
-  StringAppendF(output,
-                "Prefetch Queue Durations: min=%d, avg=%d, max=%d<br><br>",
-                queue.minimum(), queue.average(), queue.maximum());
+  base::StringAppendF(
+      output,
+      "Prefetch Queue Durations: min=%d, avg=%d, max=%d<br><br>",
+      queue.minimum(), queue.average(), queue.maximum());
 #endif
 
   output->append("<br>");
 }
 
 void UrlInfo::SetMotivation(ResolutionMotivation motivation) {
   motivation_ = motivation;
   if (motivation < LINKED_MAX_MOTIVATED)
     was_linked_ = true;
 }
@@ skipping 20 matching lines @@
 
     case LEARNED_REFERAL_MOTIVATED:
       return RemoveJs(referring_url_.spec());
 
     default:
       return "";
   }
 }
 
 }  // namespace chrome_browser_net