Adding WebVR temporary presentation handling on mobile

third_party/WebKit/Source/modules/vr/VRDisplayEvent.cpp

+// Copyright 2016 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/vr/VRDisplayEvent.h"
+
+namespace blink {
+
+VRDisplayEvent::VRDisplayEvent()
+{
+}
+
+VRDisplayEvent::VRDisplayEvent(const AtomicString& type, bool canBubble, bool cancelable, VRDisplay* display, String reason)
+    : Event(type, canBubble, cancelable)
+    , m_display(display)
+    , m_reason(reason)
+{
+}
+
+VRDisplayEvent::VRDisplayEvent(const AtomicString& type, const VRDisplayEventInit& initializer)
+    : Event(type, initializer)
+{
+    if (initializer.hasDisplay())
+        m_display = initializer.display();
+
+    if (initializer.hasReason())
+        m_reason = initializer.reason();
+}
+
+VRDisplayEvent::~VRDisplayEvent()
+{
+}
+
+const AtomicString& VRDisplayEvent::interfaceName() const
+{
+    return EventNames::VRDisplayEvent;
+}
+
+DEFINE_TRACE(VRDisplayEvent)
+{
+    visitor->trace(m_display);
+    Event::trace(visitor);
+}
+
+} // namespace blink