Reland 37913. Clear local state on exit.

webkit/database/database_tracker.h

Index: webkit/database/database_tracker.h
diff --git a/webkit/database/database_tracker.h b/webkit/database/database_tracker.h
index f3f604199e75a3a8b1bf4b475311d03e9ae9d57f..4375a35b17c3b10cc2bf13d7e2d68c1d2b4834e3 100644
--- a/webkit/database/database_tracker.h
+++ b/webkit/database/database_tracker.h
@@ -116,6 +116,9 @@ class DatabaseTracker
                       const string16& database_name);
   bool DeleteOrigin(const string16& origin_identifier);
 
+  static void ClearLocalState(const FilePath& profile_path,
+                              const char* url_scheme_to_be_skipped);
+
  private:
   // Need this here to allow RefCountedThreadSafe to call ~DatabaseTracker().
   friend class base::RefCountedThreadSafe<DatabaseTracker>;