Adding WebVR temporary presentation handling on mobile

third_party/WebKit/Source/modules/vr/NavigatorVR.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 "modules/vr/NavigatorVR.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 82 matching lines @@
 
 NavigatorVR::~NavigatorVR()
 {
 }
 
 const char* NavigatorVR::supplementName()
 {
     return "NavigatorVR";
 }
 
+void NavigatorVR::fireVRDisplayPresentChange(VRDisplay* display)
+{
+    if (m_frame) {
+        m_frame->domWindow()->dispatchEvent(

[haraken, 2016/08/23 00:51:29]

Just to confirm:

- You're intending to dispatch the event against the window object instead of
other EventTarget objects, right?

- Do you need to dispatch the event synchronously? If no, you should use
domWindow()->enqueueEvent().

+            VRDisplayEvent::create(EventTypeNames::vrdisplaypresentchange, true, false, display, ""));
+    }
+}
+
 } // namespace blink