scheduler: Shut down the scheduler before terminating the heap

Source/web/WebKit.cpp

 /*
  * Copyright (C) 2009 Google Inc. 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
@@ skipping 216 matching lines @@
     isolate->Exit();
     isolate->Dispose();
 
     shutdownWithoutV8();
 }
 
 void shutdownWithoutV8()
 {
     ASSERT(!s_endOfTaskRunner);
     CoreInitializer::shutdown();
+    Scheduler::shutdown();
     Heap::shutdown();
     WTF::shutdown();
-    Scheduler::shutdown();
     Platform::shutdown();
     WebPrerenderingSupport::shutdown();
 }
 
 void setLayoutTestMode(bool value)
 {
     LayoutTestSupport::setIsRunningLayoutTest(value);
 }
 
 bool layoutTestMode()
@@ skipping 19 matching lines @@
         channel->state = WTFLogChannelOn;
 #endif // !LOG_DISABLED
 }
 
 void resetPluginCache(bool reloadPages)
 {
     Page::refreshPlugins(reloadPages);
 }
 
 } // namespace blink