Add support for GetHomeDir for Mac and Windows.

chrome/browser/extensions/api/file_system/file_system_apitest.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 "apps/saved_files_service.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 39 matching lines @@
 }
 
 void AddSavedEntry(const base::FilePath& path_to_save,
                    bool is_directory,
                    apps::SavedFilesService* service,
                    const Extension* extension) {
   service->RegisterFileEntry(
       extension->id(), "magic id", path_to_save, is_directory);
 }
 
-#if defined(OS_WIN) || defined(OS_POSIX)
-#if defined(OS_WIN)
-  const int kGraylistedPath = base::DIR_PROFILE;
-#elif defined(OS_POSIX)
-  const int kGraylistedPath = base::DIR_HOME;
-#endif
-#endif
+const int kGraylistedPath = base::DIR_HOME;
 
 }  // namespace
 
 class FileSystemApiTest : public PlatformAppBrowserTest {
  public:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     PlatformAppBrowserTest::SetUpCommandLine(command_line);
     test_root_folder_ = test_data_dir_.AppendASCII("api_test")
         .AppendASCII("file_system");
     FileSystemChooseEntryFunction::RegisterTempExternalFileSystemForTest(
@@ skipping 73 matching lines @@
 IN_PROC_BROWSER_TEST_F(FileSystemApiTest, FileSystemApiGetDisplayPath) {
   base::FilePath test_file = test_root_folder_.AppendASCII("gold.txt");
   FileSystemChooseEntryFunction::SkipPickerAndAlwaysSelectPathForTest(
       &test_file);
   ASSERT_TRUE(RunPlatformAppTest("api_test/file_system/get_display_path"))
       << message_;
 }
 
 #if defined(OS_WIN) || defined(OS_POSIX)
 IN_PROC_BROWSER_TEST_F(FileSystemApiTest, FileSystemApiGetDisplayPathPrettify) {
-#if defined(OS_WIN)
-  int override = base::DIR_PROFILE;
-#elif defined(OS_POSIX)
-  int override = base::DIR_HOME;
-#endif
-  ASSERT_TRUE(PathService::OverrideAndCreateIfNeeded(override,
+  ASSERT_TRUE(PathService::OverrideAndCreateIfNeeded(base::DIR_HOME,
       test_root_folder_, false));
 
   base::FilePath test_file = test_root_folder_.AppendASCII("gold.txt");
   FileSystemChooseEntryFunction::SkipPickerAndAlwaysSelectPathForTest(
       &test_file);
   ASSERT_TRUE(RunPlatformAppTest(
       "api_test/file_system/get_display_path_prettify")) << message_;
 }
 #endif
 
@@ skipping 461 matching lines @@
   AppInstallObserver observer(
       base::Bind(AddSavedEntry,
                  test_directory,
                  true,
                  apps::SavedFilesService::Get(profile())));
   ASSERT_TRUE(RunPlatformAppTest("api_test/file_system/restore_directory"))
       << message_;
 }
 
 }  // namespace extensions