[Cleanup] Remove StringPrintf from global namespace

chrome/browser/sync/test/integration/performance/autofill_sync_perf_test.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/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/sync/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/autofill_helper.h"
 #include "chrome/browser/sync/test/integration/bookmarks_helper.h"
 #include "chrome/browser/sync/test/integration/performance/sync_timing_helper.h"
@@ skipping 117 matching lines @@
 
 const AutofillKey AutofillSyncPerfTest::NextAutofillKey() {
   return AutofillKey(NextName().c_str(), NextName().c_str());
 }
 
 const std::string AutofillSyncPerfTest::NextGUID() {
   return IntToGUID(guid_number_++);
 }
 
 const std::string AutofillSyncPerfTest::IntToGUID(int n) {
-  return StringPrintf("00000000-0000-0000-0000-%012X", n);
+  return base::StringPrintf("00000000-0000-0000-0000-%012X", n);
 }
 
 const std::string AutofillSyncPerfTest::NextName() {
   return IntToName(name_number_++);
 }
 
 const std::string AutofillSyncPerfTest::IntToName(int n) {
-  return StringPrintf("Name%d", n);
+  return base::StringPrintf("Name%d", n);
 }
 
 const std::string AutofillSyncPerfTest::NextValue() {
   return IntToValue(value_number_++);
 }
 
 const std::string AutofillSyncPerfTest::IntToValue(int n) {
-  return StringPrintf("Value%d", n);
+  return base::StringPrintf("Value%d", n);
 }
 
 void ForceSync(int profile) {
   static int id = 0;
   ++id;
   EXPECT_TRUE(
       bookmarks_helper::AddURL(profile, 0,
                                bookmarks_helper::IndexedURLTitle(id),
                                GURL(bookmarks_helper::IndexedURL(id))) != NULL);
 }
@@ skipping 32 matching lines @@
   ASSERT_EQ(kNumKeys, GetKeyCount(1));
   SyncTimingHelper::PrintResult("autofill", "add_autofill_keys", dt);
 
   RemoveKeys(0);
   // TODO(lipalani): fix this. The following line is added to force sync.
   ForceSync(0);
   dt = SyncTimingHelper::TimeMutualSyncCycle(GetClient(0), GetClient(1));
   ASSERT_EQ(0, GetKeyCount(1));
   SyncTimingHelper::PrintResult("autofill", "delete_autofill_keys", dt);
 }