[Cleanup] Remove StringPrintf from global namespace

net/websockets/websocket_frame_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 "net/websockets/websocket_frame.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 384 matching lines @@
     using base::TimeTicks;
     TimeTicks start = TimeTicks::HighResNow();
     for (int x = 0; x < iterations_; ++x) {
       MaskWebSocketFramePayload(masking_key, x % size, &scratch.front(),
                                 scratch.size());
     }
     double total_time_ms =
         1000 * (TimeTicks::HighResNow() - start).InMillisecondsF() /
         iterations_;
     LOG(INFO) << "Payload size " << size
-              << StringPrintf(" took %.03f microseconds per iteration",
-                              total_time_ms);
+              << base::StringPrintf(" took %.03f microseconds per iteration",
+                                    total_time_ms);
   }
 
  private:
   int iterations_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketFrameTestMaskBenchmark);
 };
 
 TEST_F(WebSocketFrameTestMaskBenchmark, BenchmarkMaskShortPayload) {
   static const char kShortPayload[] = "Short Payload";
   Benchmark(kShortPayload, arraysize(kShortPayload));
 }
 
 TEST_F(WebSocketFrameTestMaskBenchmark, BenchmarkMaskLongPayload) {
   scoped_array<char> payload(new char[kLongPayloadSize]);
   std::fill(payload.get(), payload.get() + kLongPayloadSize, 'a');
   Benchmark(payload.get(), kLongPayloadSize);
 }
 
 }  // namespace net