Deprecate PathService::Get(..., wstring*) and use FilePath instead.

base/path_service.cc

 // Copyright (c) 2006-2008 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/path_service.h"
 
 #ifdef OS_WIN
 #include <windows.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 170 matching lines @@
 
   if (path.empty())
     return false;
 
   AddToCache(key, path);
 
   *result = path;
   return true;
 }
 
+#if defined(OS_WIN)
 // static
 bool PathService::Get(int key, std::wstring* result) {
   // Deprecated compatibility function.
   FilePath path;
   if (!Get(key, &path))
     return false;
   *result = path.ToWStringHack();
   return true;
 }
+#endif
 
 bool PathService::IsOverridden(int key) {
   PathData* path_data = GetPathData();
   DCHECK(path_data);
 
   AutoLock scoped_lock(path_data->lock);
   return path_data->overrides.find(key) != path_data->overrides.end();
 }
 
 bool PathService::Override(int key, const FilePath& path) {
@@ skipping 43 matching lines @@
   p = new Provider;
   p->is_static = false;
   p->func = func;
   p->next = path_data->providers;
 #ifndef NDEBUG
   p->key_start = key_start;
   p->key_end = key_end;
 #endif
   path_data->providers = p;
 }