Push version 1.3.4 to trunk....

include/v8.h

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2183 matching lines @@
    * Releases any resources used by v8 and stops any utility threads
    * that may be running.  Note that disposing v8 is permanent, it
    * cannot be reinitialized.
    *
    * It should generally not be necessary to dispose v8 before exiting
    * a process, this should happen automatically.  It is only necessary
    * to use if the process needs the resources taken up by v8.
    */
   static bool Dispose();
 
+
+  /**
+   * Optional notification that the embedder is idle.
+   * V8 uses the notification to reduce memory footprint.
+   * \param is_high_priority tells whether the embedder is high priority.
+   */
+  static void IdleNotification(bool is_high_priority);
+
  private:
   V8();
 
   static void** GlobalizeReference(void** handle);
   static void DisposeGlobal(void** global_handle);
   static void MakeWeak(void** global_handle, void* data, WeakReferenceCallback);
   static void ClearWeak(void** global_handle);
   static bool IsGlobalNearDeath(void** global_handle);
   static bool IsGlobalWeak(void** global_handle);
 
@@ skipping 466 matching lines @@
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_