Fix wide/ASCII conversion for CrOS testing.

chrome/test/pyautolib/pyautolib.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 "base/base_paths.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 28 matching lines @@
 void PyUITestSuiteBase::SetCrSourceRoot(const base::FilePath& path) {
   PathService::Override(base::DIR_SOURCE_ROOT, path);
 }
 
 bool PyUITestSuiteBase::IsBrowserTestSuite() { return true; }
 
 // PyUITestBase
 PyUITestBase::PyUITestBase(bool clear_profile, std::wstring homepage)
     : UITestBase() {
   set_clear_profile(clear_profile);
-  set_homepage(base::UTF16ToASCII(homepage));
+  set_homepage(base::WideToUTF8(homepage));
   // We add this so that pyauto can execute javascript in the renderer and
   // read values back.
   dom_automation_enabled_ = true;
   message_loop_ = GetSharedMessageLoop(base::MessageLoop::TYPE_DEFAULT);
 }
 
 PyUITestBase::~PyUITestBase() {
 }
 
 // static, refer .h for why it needs to be static
@@ skipping 96 matching lines @@
         base::StringPrintf("Chrome automation timed out after %d seconds",
                            static_cast<int>(duration.InSeconds())),
         request, true, response);
   } else {
     // TODO(craigdh): Determine specific cause.
     ErrorResponse(
         "Chrome automation failed prior to timing out, did chrome crash?",
         request, false, response);
   }
 }