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

chrome/test/startup/startup_test.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 "base/environment.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/platform_thread.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
@@ skipping 184 matching lines @@
         // Re-use the profile data after first run so that the noise from
         // creating databases doesn't impact all the runs.
         clear_profile_ = false;
         // Clear template_user_data_ so we don't try to copy it over each time
         // through.
         set_template_user_data(FilePath());
       }
     }
 
     std::string times;
-    for (int i = 0; i < numCycles; ++i)
-      StringAppendF(&times, "%.2f,", timings[i].end_to_end.InMillisecondsF());
+    for (int i = 0; i < numCycles; ++i) {
+      base::StringAppendF(&times,
+                          "%.2f,",
+                          timings[i].end_to_end.InMillisecondsF());
+    }
     PrintResultList(graph, "", trace, times, "ms", important);
 
     if (num_tabs > 0) {
       std::string name_base = trace;
       std::string name;
 
       times.clear();
       name = name_base + "-start";
       for (int i = 0; i < numCycles; ++i)
-        StringAppendF(&times, "%.2f,", timings[i].first_start_ms);
+        base::StringAppendF(&times, "%.2f,", timings[i].first_start_ms);
       PrintResultList(graph, "", name.c_str(), times, "ms", important);
 
       times.clear();
       name = name_base + "-first";
       for (int i = 0; i < numCycles; ++i)
-        StringAppendF(&times, "%.2f,", timings[i].first_stop_ms);
+        base::StringAppendF(&times, "%.2f,", timings[i].first_stop_ms);
       PrintResultList(graph, "", name.c_str(), times, "ms", important);
 
       if (nth_timed_tab > 0) {
         // Display only the time necessary to load the first n tabs.
         times.clear();
         name = name_base + "-" + base::IntToString(nth_timed_tab);
         for (int i = 0; i < numCycles; ++i)
-          StringAppendF(&times, "%.2f,", timings[i].nth_tab_stop_ms);
+          base::StringAppendF(&times, "%.2f,", timings[i].nth_tab_stop_ms);
         PrintResultList(graph, "", name.c_str(), times, "ms", important);
       }
 
       if (num_tabs > 1) {
         // Display the time necessary to load all of the tabs.
         times.clear();
         name = name_base + "-all";
         for (int i = 0; i < numCycles; ++i)
-          StringAppendF(&times, "%.2f,", timings[i].last_stop_ms);
+          base::StringAppendF(&times, "%.2f,", timings[i].last_stop_ms);
         PrintResultList(graph, "", name.c_str(), times, "ms", important);
       }
     }
   }
 };
 
 TEST_F(StartupTest, PerfWarm) {
   RunStartupTest("warm", "t", WARM, IMPORTANT, UITest::DEFAULT_THEME, 0, 0);
 }
 
@@ skipping 140 matching lines @@
                  UITest::CUSTOM_FRAME, 0, 0);
 }
 
 TEST_F(StartupTest, PerfNativeFrameGtkTheme) {
   RunStartupTest("warm", "custom-frame-gtk-theme", WARM, NOT_IMPORTANT,
                  UITest::CUSTOM_FRAME_NATIVE_THEME, 0, 0);
 }
 #endif
 
 }  // namespace