[Cleanup] Remove StringPrintf from global namespace

chrome/browser/extensions/window_open_apitest.cc

 // Copyright (c) 2012 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/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
@@ skipping 45 matching lines @@
 #else
   return PanelManager::GetInstance()->num_panels();
 #endif
 }
 
 bool WaitForTabsAndPopups(Browser* browser,
                           int num_tabs,
                           int num_popups,
                           int num_panels) {
   SCOPED_TRACE(
-      StringPrintf("WaitForTabsAndPopups tabs:%d, popups:%d, panels:%d",
-                   num_tabs, num_popups, num_panels));
+      base::StringPrintf("WaitForTabsAndPopups tabs:%d, popups:%d, panels:%d",
+                         num_tabs, num_popups, num_panels));
   // We start with one tab and one browser already open.
   ++num_tabs;
   size_t num_browsers = static_cast<size_t>(num_popups) + 1;
 
   const base::TimeDelta kWaitTime = base::TimeDelta::FromSeconds(10);
   base::TimeTicks end_time = base::TimeTicks::Now() + kWaitTime;
   while (base::TimeTicks::Now() < end_time) {
     if (chrome::GetBrowserCount(browser->profile(),
                                 browser->host_desktop_type()) == num_browsers &&
         browser->tab_strip_model()->count() == num_tabs &&
@@ skipping 375 matching lines @@
       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
       GURL(std::string("chrome-extension://") + last_loaded_extension_id_ +
           "/newtab.html"), false, &newtab));
 
   // Extension API should succeed.
   bool result = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(newtab, "testExtensionApi()",
                                                    &result));
   EXPECT_TRUE(result);
 }