Don't report promise rejection events during the microtask checkpoint

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

Index: third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h b/third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h
index c194d3dd489056af3a0cd60a55dcb47c0fdf0652..784e6d307bf564ff7ef781efe7136db55f334c8c 100644
--- a/third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h
+++ b/third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h
@@ -37,6 +37,9 @@ public:
 private:
     class Message;
 
+    void processQueueNow(WillBeHeapDeque<OwnPtrWillBeMember<Message>>&);
+    void revokeNow(PassOwnPtrWillBeRawPtr<Message>);
+
     WillBeHeapDeque<OwnPtrWillBeMember<Message>> m_queue;
     WillBeHeapVector<OwnPtrWillBeMember<Message>> m_reportedAsErrors;
 };