Enable WebVR origin trial experiments.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index e730ac088b2b7366f013c1bc0658694868ba7f58..06f8f6999a7f46f652e1dfbeb155b66619f158a4 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -49,6 +49,7 @@
 #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"
@@ -157,7 +158,8 @@ void FrameLoaderClientImpl::dispatchDidClearWindowObjectInMainWorld() {
       NavigatorGamepad::from(*document);
       NavigatorServiceWorker::from(*document);
       DOMWindowStorageController::from(*document);
-      if (RuntimeEnabledFeatures::webVREnabled())
+      if (RuntimeEnabledFeatures::webVREnabled()
+          || OriginTrials::webVREnabled(document->getExecutionContext()))
         NavigatorVR::from(*document);
     }
   }