Add utf_string_conversions to base namespace.

chrome/test/automation/proxy_launcher.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 "chrome/test/automation/proxy_launcher.h"
 
 #include <vector>
 
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 425 matching lines @@
   // Add command line arguments that should be applied to all UI tests.
   PrepareTestCommandline(&command_line, state.include_testing_id);
 
   // Sometimes one needs to run the browser under a special environment
   // (e.g. valgrind) without also running the test harness (e.g. python)
   // under the special environment.  Provide a way to wrap the browser
   // commandline with a special prefix to invoke the special environment.
   const char* browser_wrapper = getenv("BROWSER_WRAPPER");
   if (browser_wrapper) {
 #if defined(OS_WIN)
-    command_line.PrependWrapper(ASCIIToWide(browser_wrapper));
+    command_line.PrependWrapper(base::ASCIIToWide(browser_wrapper));
 #elif defined(OS_POSIX)
     command_line.PrependWrapper(browser_wrapper);
 #endif
     VLOG(1) << "BROWSER_WRAPPER was set, prefixing command_line with "
             << browser_wrapper;
   }
 
   if (main_launch)
     browser_launch_time_ = base::TimeTicks::Now();
 
@@ skipping 135 matching lines @@
   return LaunchBrowserAndServer(state, wait_for_initial_loads);
 }
 
 void AnonymousProxyLauncher::TerminateConnection() {
   CloseBrowserAndServer();
 }
 
 std::string AnonymousProxyLauncher::PrefixedChannelID() const {
   return channel_id_;
 }