Better code to determine the framework and helper app paths

chrome/browser/utility_process_host_unittest.cc

 // Copyright (c) 2009 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/browser/utility_process_host.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 61 matching lines @@
   TestUtilityProcessHost(TestUtilityProcessHostClient* client,
                          MessageLoop* loop_io,
                          ResourceDispatcherHost* rdh)
       : UtilityProcessHost(rdh, client, loop_io) {
   }
 
  protected:
   virtual FilePath GetUtilityProcessCmd() {
     FilePath exe_path;
     PathService::Get(base::DIR_EXE, &exe_path);
-    exe_path = exe_path.AppendASCII(WideToASCII(
-        chrome::kHelperProcessExecutablePath));
+    exe_path = exe_path.Append(chrome::kHelperProcessExecutablePath);
     return exe_path;
   }
 
   virtual bool UseSandbox() {
     return false;
   }
 
  private:
 };
 
@@ skipping 57 matching lines @@
       temp_extension_dir.AppendASCII("theme.crx"));
   observer.RunUntilClose(process_host->id());
   EXPECT_TRUE(client->success());
 
   // Clean up the temp dir.
   file_util::Delete(temp_extension_dir, true);
 }
 #endif
 
 }  // namespace