Reland 37913. Clear local state on exit.

chrome/browser/in_process_webkit/dom_storage_context.h

Index: chrome/browser/in_process_webkit/dom_storage_context.h
diff --git a/chrome/browser/in_process_webkit/dom_storage_context.h b/chrome/browser/in_process_webkit/dom_storage_context.h
index 4981c077cde1892b1a3c8e1d3ca10496e50fa920..49e3712d3c076d4192b650e5e7e00040604d5596 100644
--- a/chrome/browser/in_process_webkit/dom_storage_context.h
+++ b/chrome/browser/in_process_webkit/dom_storage_context.h
@@ -1,6 +1,6 @@
-// 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.
+// Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_
@@ -78,6 +78,10 @@ class DOMStorageContext {
   // The local storage file extension.
   static const FilePath::CharType kLocalStorageExtension[];
 
+  // Delete all non-extension local storage files.
+  static void ClearLocalState(const FilePath& profile_path,
+                              const char* url_scheme_to_be_skipped);
+
  private:
   // Get the local storage instance.  The object is owned by this class.
   DOMStorageNamespace* CreateLocalStorage();