Appcache, local storage, indexed db, databases: skip exit-time deletion when restarting.

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 c2432f51f027f165a9d556e0c6b3f00e2331ba7a..5c728f939a50adaa49f9f0d71b6fd32b9666869d 100644
--- a/webkit/database/database_tracker.h
+++ b/webkit/database/database_tracker.h
@@ -164,6 +164,8 @@ class DatabaseTracker
   // used for an incognito profile or |clear_local_state_on_exit_| is true.
   void Shutdown();
   void SetClearLocalStateOnExit(bool clear_local_state_on_exit);
+  // Disables the exit-time deletion for all data (also session-only data).
+  void SaveSessionState();
 
  private:
   friend class base::RefCountedThreadSafe<DatabaseTracker>;
@@ -255,6 +257,7 @@ class DatabaseTracker
   bool is_initialized_;
   const bool is_incognito_;
   bool clear_local_state_on_exit_;
+  bool save_session_state_;
   bool shutting_down_;
   const FilePath profile_path_;
   const FilePath db_dir_;