Retain ref to RejectedPromises in RejectedPromises::handlerAdded

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

 // 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.
 
 #include "bindings/core/v8/RejectedPromises.h"
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 194 matching lines @@
             m_queue.remove(it);
             return;
         }
     }
 
     // Then look it up in the reported errors.
     for (size_t i = 0; i < m_reportedAsErrors.size(); ++i) {
         std::unique_ptr<Message>& message = m_reportedAsErrors.at(i);
         if (!message->isCollected() && message->hasPromise(data.GetPromise())) {
             message->makePromiseStrong();
-            Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, WTF::bind(&RejectedPromises::revokeNow, this, passed(std::move(message))));
+            Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, WTF::bind(&RejectedPromises::revokeNow, RefPtr<RejectedPromises>(this), passed(std::move(message))));
             m_reportedAsErrors.remove(i);
             return;
         }
     }
 }
 
 std::unique_ptr<RejectedPromises::MessageQueue> RejectedPromises::createMessageQueue()
 {
     return wrapUnique(new MessageQueue());
 }
@@ skipping 41 matching lines @@
         }
     }
 }
 
 void RejectedPromises::revokeNow(std::unique_ptr<Message> message)
 {
     message->revoke();
 }
 
 } // namespace blink