Adds local storage nodes to cookie tree model and cookies view.

chrome/browser/in_process_webkit/dom_storage_context.h

Index: chrome/browser/in_process_webkit/dom_storage_context.h
===================================================================
--- chrome/browser/in_process_webkit/dom_storage_context.h	(revision 36995)
+++ chrome/browser/in_process_webkit/dom_storage_context.h	(working copy)
@@ -66,6 +66,18 @@
   // date that's supplied.
   void DeleteDataModifiedSince(const base::Time& cutoff);
 
+  // Deletes a single local storage file.
+  void DeleteLocalStorageFile(const FilePath& file_path);
+
+  // Deletes all local storage files.
+  void DeleteAllLocalStorageFiles();
+
+  // The local storage directory.
+  static const FilePath::CharType kLocalStorageDirectory[];
+
+  // The local storage file extension.
+  static const FilePath::CharType kLocalStorageExtension[];
+
  private:
   // Get the local storage instance.  The object is owned by this class.
   DOMStorageNamespace* CreateLocalStorage();