[Cleanup] Remove StringPrintf from global namespace

chrome/renderer/autofill/password_generation_manager_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 <string.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/test/base/chrome_render_view_test.h"
@@ skipping 64 matching lines @@
 
   bool DecorationIsVisible(WebKit::WebInputElement* input_element) {
     WebKit::WebElement decoration =
         input_element->decorationElementFor(generation_manager_.get());
     return decoration.hasNonEmptyBoundingBox();
   }
 
   void SetNotBlacklistedMessage(const char* form_str) {
     content::PasswordForm form;
     form.origin =
-        GURL(StringPrintf("data:text/html;charset=utf-8,%s", form_str));
+        GURL(base::StringPrintf("data:text/html;charset=utf-8,%s", form_str));
     AutofillMsg_FormNotBlacklisted msg(0, form);
     generation_manager_->OnMessageReceived(msg);
   }
 
  protected:
   scoped_ptr<TestPasswordGenerationManager> generation_manager_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PasswordGenerationManagerTest);
 };
@@ skipping 174 matching lines @@
   ASSERT_FALSE(element.isNull());
   first_password_element = element.to<WebInputElement>();
   EXPECT_TRUE(DecorationIsVisible(&first_password_element));
   SimulateClickOnDecoration(&first_password_element);
   EXPECT_EQ(2u, generation_manager_->messages().size());
   EXPECT_EQ(AutofillHostMsg_ShowPasswordGenerationPopup::ID,
             generation_manager_->messages()[1]->type());
 }
 
 }  // namespace autofill