Web MIDI: prepare to deprecate MIDIMessageEvent::receivedTime

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

 // Copyright 2014 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 "modules/webmidi/MIDIMessageEvent.h"
 
+#include "core/dom/ExecutionContext.h"
+#include "core/frame/Deprecation.h"
 #include "modules/webmidi/MIDIMessageEventInit.h"
 
 namespace blink {
 
-MIDIMessageEvent::MIDIMessageEvent(const AtomicString& type, const MIDIMessageEventInit& initializer)
+MIDIMessageEvent::MIDIMessageEvent(ExecutionContext* context, const AtomicString& type, const MIDIMessageEventInit& initializer)
     : Event(type, initializer)
     , m_receivedTime(0.0)
 {
-    if (initializer.hasReceivedTime())
+    if (initializer.hasReceivedTime()) {
+        Deprecation::countDeprecation(context, UseCounter::MIDIMessageEventReceivedTime);
         m_receivedTime = initializer.receivedTime();
+    }
     if (initializer.hasData())
         m_data = initializer.data();
 }
 
+double MIDIMessageEvent::receivedTime(ExecutionContext* context)
+{
+    Deprecation::countDeprecation(context, UseCounter::MIDIMessageEventReceivedTime);
+    return m_receivedTime;
+}
+
 } // namespace blink