[Cleanup] Remove StringPrintf from global namespace

webkit/media/cache_util_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 "webkit/media/cache_util.h"
 
 #include <string>
 
 #include "base/format_macros.h"
 #include "base/stringprintf.h"
@@ skipping 67 matching lines @@
     },
     {
       WebURLResponse::HTTP_1_1, 200, "cache-control: no-store", kNoStore
     },
     {
       WebURLResponse::HTTP_1_1, 200,
       "cache-control: no-cache\ncache-control: no-store", kNoCache | kNoStore
     },
   };
   for (size_t i = 0; i < arraysize(tests); ++i) {
-    SCOPED_TRACE(StringPrintf("case: %" PRIuS
-                              ", version: %d, code: %d, headers: %s",
-                              i, tests[i].version, tests[i].status_code,
-                              tests[i].headers));
+    SCOPED_TRACE(base::StringPrintf("case: %" PRIuS
+                                    ", version: %d, code: %d, headers: %s",
+                                    i, tests[i].version, tests[i].status_code,
+                                    tests[i].headers));
     EXPECT_EQ(GetReasonsForUncacheability(CreateResponse(tests[i])),
               tests[i].expected_reasons);
   }
 }
 
 }  // namespace webkit_media