Don't report promise rejection events during the microtask checkpoint

third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RejectedPromises_h
 #define RejectedPromises_h
 
 #include "platform/heap/Handle.h"
 
 namespace v8 {
 class PromiseRejectMessage;
 };
 
 namespace blink {
 
 class ScriptCallStack;
 class ScriptState;
 
-class RejectedPromises final : public NoBaseWillBeGarbageCollected<RejectedPromises> {
+class RejectedPromises final : public RefCountedWillBeGarbageCollected<RejectedPromises> {

[haraken, 2015/10/02 07:59:47]

Why do you need to change OwnPtr to RefPtr?

[jochen (gone - plz use gerrit), 2015/10/02 08:02:04]

So the class doesn't die while a task is on the message loop. Workers actually
destroy the RejectedPromises when they shut down.

     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(RejectedPromises);
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(RejectedPromises);
 public:
-    static PassOwnPtrWillBeRawPtr<RejectedPromises> create()
+    static PassRefPtrWillBeRawPtr<RejectedPromises> create()
     {
-        return adoptPtrWillBeNoop(new RejectedPromises);
+        return adoptRefWillBeNoop(new RejectedPromises);
     }
 
     RejectedPromises();
     void dispose();
     DECLARE_TRACE();
 
     void rejectedWithNoHandler(ScriptState*, v8::PromiseRejectMessage, const String& errorMessage, const String& resourceName, int scriptId, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>);
     void handlerAdded(v8::PromiseRejectMessage);
 
     void processQueue();
 
 private:
     class Message;
 
+    void processQueueNow(PassOwnPtrWillBeRawPtr<WillBeHeapDeque<OwnPtrWillBeMember<Message>>>);
+    void revokeNow(PassOwnPtrWillBeRawPtr<Message>);
+
     WillBeHeapDeque<OwnPtrWillBeMember<Message>> m_queue;
     WillBeHeapVector<OwnPtrWillBeMember<Message>> m_reportedAsErrors;
 };
 
 } // namespace blink
 
 #endif // RejectedPromises_h