Add new method OverrideAndCreateIfNeeded to PathService.

This is prerequisite for adding support for running chrome on network
shared location

BUG=120388
TEST=base_unittests:PathServiceTest.Override

Review URL: https://chromiumcodereview.appspot.com/10388027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@136017 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 8 insertions, 1 deletions

diff --git a/base/path_service.h b/base/path_service.h
index 4b29738..03e4b44 100644
--- a/base/path_service.h
+++ b/base/path_service.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -40,6 +40,13 @@ class BASE_EXPORT PathService {
   // over the lifetime of the app, so this method should be used with caution.
   static bool Override(int key, const FilePath& path);
 
+  // This function does the same as PathService::Override but it takes an extra
+  // parameter |create| which guides whether the directory to be overriden must
+  // be created in case it doesn't exist already.
+  static bool OverrideAndCreateIfNeeded(int key,
+                                        const FilePath& path,
+                                        bool create);
+
   // To extend the set of supported keys, you can register a path provider,
   // which is just a function mirroring PathService::Get.  The ProviderFunc
   // returns false if it cannot provide a non-empty path for the given key.