Add utf_string_conversions to base namespace.

chrome/test/chromedriver/test_util.cc

 // Copyright (c) 2013 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 "chrome/test/chromedriver/test_util.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 
 RestoreKeyboardLayoutOnDestruct::RestoreKeyboardLayoutOnDestruct() {
@@ skipping 12 matching lines @@
 #elif defined(OS_MACOSX)
   TISSelectInputSource(layout_);
 #elif defined(OS_LINUX)
   NOTIMPLEMENTED();
 #endif
 }
 
 #if defined(OS_WIN)
 bool SwitchKeyboardLayout(const std::string& input_locale_identifier) {
   HKL layout = LoadKeyboardLayout(
-      UTF8ToWide(input_locale_identifier).c_str(), 0);
+      base::UTF8ToWide(input_locale_identifier).c_str(), 0);
   if (!layout)
     return false;
   return !!ActivateKeyboardLayout(layout, 0);
 }
 #endif  // defined(OS_WIN)
 
 #if defined(OS_MACOSX)
 bool SwitchKeyboardLayout(const std::string& input_source_id) {
   base::mac::ScopedCFTypeRef<CFMutableDictionaryRef> filter_dict(
       CFDictionaryCreateMutable(kCFAllocatorDefault,
                                 1,
                                 &kCFTypeDictionaryKeyCallBacks,
                                 &kCFTypeDictionaryValueCallBacks));
   base::mac::ScopedCFTypeRef<CFStringRef> id_ref(CFStringCreateWithCString(
       kCFAllocatorDefault, input_source_id.c_str(), kCFStringEncodingUTF8));
   CFDictionaryAddValue(filter_dict, kTISPropertyInputSourceID, id_ref);
   base::mac::ScopedCFTypeRef<CFArrayRef> sources(
       TISCreateInputSourceList(filter_dict, true));
   if (CFArrayGetCount(sources) != 1)
     return false;
   TISInputSourceRef source = (TISInputSourceRef)CFArrayGetValueAtIndex(
       sources, 0);
   return TISSelectInputSource(source) == noErr;
 }
 #endif  // defined(OS_MACOSX)