wstring: remove a needless wchar_t that is ASCII

chrome/browser/profiles/profile_manager.cc

 // Copyright (c) 2011 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 <set>
 
 #include "chrome/browser/profiles/profile_manager.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 55 matching lines @@
 
   // Destroy all profiles that we're keeping track of.
   for (const_iterator i(begin()); i != end(); ++i)
     delete *i;
   profiles_.clear();
 }
 
 FilePath ProfileManager::GetDefaultProfileDir(
     const FilePath& user_data_dir) {
   FilePath default_profile_dir(user_data_dir);
-  default_profile_dir = default_profile_dir.Append(
-      FilePath::FromWStringHack(chrome::kNotSignedInProfile));
+  default_profile_dir =
+      default_profile_dir.AppendASCII(chrome::kNotSignedInProfile);
   return default_profile_dir;
 }
 
 FilePath ProfileManager::GetProfilePrefsPath(
     const FilePath &profile_dir) {
   FilePath default_prefs_path(profile_dir);
   default_prefs_path = default_prefs_path.Append(chrome::kPreferencesFilename);
   return default_prefs_path;
 }
 
 FilePath ProfileManager::GetCurrentProfileDir() {
   FilePath relative_profile_dir;
 #if defined(OS_CHROMEOS)
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (logged_in_) {
     FilePath profile_dir;
     // If the user has logged in, pick up the new profile.
     if (command_line.HasSwitch(switches::kLoginProfile)) {
       profile_dir = command_line.GetSwitchValuePath(switches::kLoginProfile);
     } else {
       // We should never be logged in with no profile dir.
       NOTREACHED();
       return FilePath("");
     }
     relative_profile_dir = relative_profile_dir.Append(profile_dir);
     return relative_profile_dir;
   }
 #endif
-  relative_profile_dir = relative_profile_dir.Append(
-      FilePath::FromWStringHack(chrome::kNotSignedInProfile));
+  relative_profile_dir =
+      relative_profile_dir.AppendASCII(chrome::kNotSignedInProfile);
   return relative_profile_dir;
 }
 
 Profile* ProfileManager::GetDefaultProfile(const FilePath& user_data_dir) {
   FilePath default_profile_dir(user_data_dir);
   default_profile_dir = default_profile_dir.Append(GetCurrentProfileDir());
 #if defined(OS_CHROMEOS)
   if (!logged_in_) {
     Profile* profile;
     const CommandLine& command_line = *CommandLine::ForCurrentProcess();
@@ skipping 184 matching lines @@
   if (!file_util::PathExists(path)) {
     // TODO(tc): http://b/1094718 Bad things happen if we can't write to the
     // profile directory.  We should eventually be able to run in this
     // situation.
     if (!file_util::CreateDirectory(path))
       return NULL;
   }
 
   return Profile::CreateProfile(path);
 }