[Cleanup] Remove StringPrintf from global namespace

chrome/renderer/autofill/form_autofill_browsertest.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 <vector>
 
 #include "base/format_macros.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 77 matching lines @@
     ASSERT_EQ(labels.size(), fields.size());
     for (size_t i = 0; i < labels.size(); ++i) {
       int max_length = control_types[i] == "text" ?
                        WebInputElement::defaultMaxLength() : 0;
       FormFieldData expected;
       expected.label = labels[i];
       expected.name = names[i];
       expected.value = values[i];
       expected.form_control_type = control_types[i];
       expected.max_length = max_length;
-      SCOPED_TRACE(StringPrintf("i: %" PRIuS, i));
+      SCOPED_TRACE(base::StringPrintf("i: %" PRIuS, i));
       EXPECT_FORM_FIELD_DATA_EQUALS(expected, fields[i]);
     }
   }
 
   void ExpectJohnSmithLabels(const char* html) {
     std::vector<string16> labels, names, values;
 
     labels.push_back(ASCIIToUTF16("First name:"));
     names.push_back(ASCIIToUTF16("firstname"));
     values.push_back(ASCIIToUTF16("John"));
@@ skipping 2935 matching lines @@
   expected.form_control_type = "text";
   expected.max_length = WebInputElement::defaultMaxLength();
   EXPECT_FORM_FIELD_DATA_EQUALS(expected, fields[1]);
 
   expected.name = ASCIIToUTF16("country");
   expected.value = ASCIIToUTF16("AL");
   expected.form_control_type = "select-one";
   expected.max_length = 0;
   EXPECT_FORM_FIELD_DATA_EQUALS(expected, fields[2]);
 }