Allow microtasks to throw exceptions and handle them gracefully

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 4362 matching lines @@
    */
   void AddCallCompletedCallback(CallCompletedCallback callback);
 
   /**
    * Removes callback that was installed by AddCallCompletedCallback.
    */
   void RemoveCallCompletedCallback(CallCompletedCallback callback);
 
   /**
    * Experimental: Runs the Microtask Work Queue until empty
+   * Any exceptions thrown by microtask callbacks are swallowed.
    */
   void RunMicrotasks();
 
   /**
    * Experimental: Enqueues the callback to the Microtask Work Queue
    */
   void EnqueueMicrotask(Handle<Function> microtask);
 
    /**
    * Experimental: Controls whether the Microtask Work Queue is automatically
@@ skipping 2243 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_