Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp

 /*
  * Copyright (C) 2013 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 137 matching lines @@
 ExecutionContext* MIDIPort::getExecutionContext() const {
   return m_access->getExecutionContext();
 }
 
 bool MIDIPort::hasPendingActivity() const {
   // MIDIPort should survive if ConnectionState is "open" or can be "open" via
   // a MIDIConnectionEvent even if there are no references from JavaScript.
   return m_connection != ConnectionStateClosed;
 }
 
-void MIDIPort::contextDestroyed() {
+void MIDIPort::contextDestroyed(ExecutionContext*) {
   // Should be "closed" to assume there are no pending activities.
   m_connection = ConnectionStateClosed;
 }
 
 DEFINE_TRACE(MIDIPort) {
   visitor->trace(m_access);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
@@ skipping 35 matching lines @@
   DCHECK(state != PortState::DISCONNECTED || connection != ConnectionStateOpen);
   if (m_state == state && m_connection == connection)
     return;
   m_state = state;
   m_connection = connection;
   dispatchEvent(MIDIConnectionEvent::create(this));
   m_access->dispatchEvent(MIDIConnectionEvent::create(this));
 }
 
 }  // namespace blink