Merge r3971 and r3984 to trunk forming V8 version 2.1.2.4. This adds
the new context disposal notification API.
Review URL: http://codereview.chromium.org/660268

git-svn-id: http://v8.googlecode.com/svn/trunk@3985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/include/v8.h b/include/v8.h
index 13f8191..44338b9 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2473,6 +2473,12 @@
    */
   static void LowMemoryNotification();
 
+  /**
+   * Optional notification that a context has been disposed. V8 uses
+   * these notifications to guide the garbage collection heuristic.
+   */
+  static void ContextDisposedNotification();
+
  private:
   V8();