[Cleanup] Remove StringPrintf from global namespace

net/http/http_pipelined_network_transaction_unittest.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>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/stringprintf.h"
@@ skipping 94 matching lines @@
     data_vector_.push_back(data);
   }
 
   enum RequestInfoOptions {
     REQUEST_DEFAULT,
     REQUEST_MAIN_RESOURCE,
   };
 
   HttpRequestInfo* GetRequestInfo(
       const char* filename, RequestInfoOptions options = REQUEST_DEFAULT) {
-    std::string url = StringPrintf("http://localhost/%s", filename);
+    std::string url = base::StringPrintf("http://localhost/%s", filename);
     HttpRequestInfo* request_info = new HttpRequestInfo;
     request_info->url = GURL(url);
     request_info->method = "GET";
     if (options == REQUEST_MAIN_RESOURCE) {
       request_info->load_flags = LOAD_MAIN_FRAME;
     }
     request_info_vector_.push_back(request_info);
     return request_info;
   }
 
@@ skipping 896 matching lines @@
   EXPECT_EQ(ERR_PIPELINE_EVICTION, two_callback.WaitForResult());
   two_transaction.reset();
   EXPECT_EQ(ERR_PIPELINE_EVICTION, three_callback.WaitForResult());
   three_transaction.reset();
   EXPECT_EQ(ERR_PIPELINE_EVICTION, four_callback.WaitForResult());
 }
 
 }  // anonymous namespace
 
 }  // namespace net