Enable WebVR origin trial experiments.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 31 matching lines @@
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/HistoryItem.h"
+#include "core/origin_trials/OriginTrials.h"
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.h"
 #include "modules/device_light/DeviceLightController.h"
 #include "modules/device_orientation/DeviceMotionController.h"
 #include "modules/device_orientation/DeviceOrientationAbsoluteController.h"
 #include "modules/device_orientation/DeviceOrientationController.h"
 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h"
 #include "modules/gamepad/NavigatorGamepad.h"
 #include "modules/serviceworkers/NavigatorServiceWorker.h"
@@ skipping 86 matching lines @@
     Document* document = m_webFrame->frame()->document();
     if (document) {
       DeviceMotionController::from(*document);
       DeviceOrientationController::from(*document);
       DeviceOrientationAbsoluteController::from(*document);
       if (RuntimeEnabledFeatures::deviceLightEnabled())
         DeviceLightController::from(*document);
       NavigatorGamepad::from(*document);
       NavigatorServiceWorker::from(*document);
       DOMWindowStorageController::from(*document);
-      if (RuntimeEnabledFeatures::webVREnabled())
+      if (RuntimeEnabledFeatures::webVREnabled() ||
+          OriginTrials::webVREnabled(document->getExecutionContext()))
         NavigatorVR::from(*document);
     }
   }
   // FIXME: when extensions go out of process, this whole concept stops working.
   WebDevToolsFrontendImpl* devToolsFrontend =
       m_webFrame->top()->isWebLocalFrame()
           ? toWebLocalFrameImpl(m_webFrame->top())->devToolsFrontend()
           : nullptr;
   if (devToolsFrontend)
     devToolsFrontend->didClearWindowObject(m_webFrame);
@@ skipping 820 matching lines @@
 WebDevToolsAgentImpl* FrameLoaderClientImpl::devToolsAgent() {
   return WebLocalFrameImpl::fromFrame(m_webFrame->frame()->localFrameRoot())
       ->devToolsAgentImpl();
 }
 
 KURL FrameLoaderClientImpl::overrideFlashEmbedWithHTML(const KURL& url) {
   return m_webFrame->client()->overrideFlashEmbedWithHTML(WebURL(url));
 }
 
 }  // namespace blink