Update WebVR API based on prerelease 1.1 except window and navigator interface

third_party/WebKit/Source/modules/vr/VRDisplay.h

Index: third_party/WebKit/Source/modules/vr/VRDisplay.h
diff --git a/third_party/WebKit/Source/modules/vr/VRDisplay.h b/third_party/WebKit/Source/modules/vr/VRDisplay.h
index 3eaa741699408cedf2b49202766a541a1dc3a1c8..a5bb0e1806beb17ef9b2eb91b58f9a5a92f79f30 100644
--- a/third_party/WebKit/Source/modules/vr/VRDisplay.h
+++ b/third_party/WebKit/Source/modules/vr/VRDisplay.h
@@ -10,7 +10,7 @@
 #include "core/events/EventTarget.h"
 #include "device/vr/vr_service.mojom-blink.h"
 #include "modules/vr/VRDisplayCapabilities.h"
-#include "modules/vr/VRLayer.h"
+#include "modules/vr/VRLayerInit.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
@@ -74,10 +74,11 @@ class VRDisplay final : public EventTargetWithInlineData,
   int requestAnimationFrame(FrameRequestCallback*);
   void cancelAnimationFrame(int id);
 
-  ScriptPromise requestPresent(ScriptState*, const HeapVector<VRLayer>& layers);
+  ScriptPromise requestPresent(ScriptState*,
+                               const HeapVector<VRLayerInit>& layers);
   ScriptPromise exitPresent(ScriptState*);
 
-  HeapVector<VRLayer> getLayers();
+  HeapVector<VRLayerInit> getLayers();
 
   void submitFrame();
 
@@ -163,7 +164,7 @@ class VRDisplay final : public EventTargetWithInlineData,
   // VR compositor so that it knows which poses to use, when to apply bounds
   // updates, etc.
   int16_t m_vrFrameId = -1;
-  VRLayer m_layer;
+  VRLayerInit m_layer;
   double m_depthNear = 0.01;
   double m_depthFar = 10000.0;