Add utf_string_conversions to base namespace.

chrome/test/perf/frame_rate/frame_rate_tests.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 <map>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 213 matching lines @@
 
     // Read out the results.
     std::wstring json;
     ASSERT_TRUE(tab->ExecuteAndExtractString(
         L"",
         L"window.domAutomationController.send("
         L"JSON.stringify(__calc_results_total()));",
         &json));
 
     std::map<std::string, std::string> results;
-    ASSERT_TRUE(JsonDictionaryToMap(WideToUTF8(json), &results));
+    ASSERT_TRUE(JsonDictionaryToMap(base::WideToUTF8(json), &results));
 
     ASSERT_TRUE(results.find("mean") != results.end());
     ASSERT_TRUE(results.find("sigma") != results.end());
     ASSERT_TRUE(results.find("gestures") != results.end());
     ASSERT_TRUE(results.find("means") != results.end());
     ASSERT_TRUE(results.find("sigmas") != results.end());
 
     std::string trace_name = "interval" + GetSuffixForTestFlags();
     printf("GESTURES %s: %s= [%s] [%s] [%s]\n", name.c_str(),
                                                 trace_name.c_str(),
@@ skipping 65 matching lines @@
     kIsGpuCanvasTest | kInternal | kHasRedirect | kUseGpu | kDisableVsync,
     kIsGpuCanvasTest | kUseReferenceBuild | kInternal | kHasRedirect | kUseGpu,
     kIsGpuCanvasTest | kUseReferenceBuild | kInternal | kHasRedirect | kUseGpu |
         kDisableVsync));
 
 INTERNAL_FRAME_RATE_TEST_CANVAS_GPU(fireflies)
 INTERNAL_FRAME_RATE_TEST_CANVAS_GPU(FishIE)
 INTERNAL_FRAME_RATE_TEST_CANVAS_GPU(speedreading)
 
 }  // namespace