Updated VRService to match the latest Blink WebVR interface.

content/browser/vr/vr_device.h

Index: content/browser/vr/vr_device.h
diff --git a/content/browser/vr/vr_device.h b/content/browser/vr/vr_device.h
index 4b7cb302b789af4d0d88559449428a115d06431d..a5d9ed618b4c2bf15a7754346715696f5a9f06f3 100644
--- a/content/browser/vr/vr_device.h
+++ b/content/browser/vr/vr_device.h
@@ -30,9 +30,9 @@ class VRDevice {
   VRDeviceProvider* provider() const { return provider_; }
   unsigned int id() const { return id_; }
 
-  virtual blink::mojom::VRDeviceInfoPtr GetVRDevice() = 0;
-  virtual blink::mojom::VRSensorStatePtr GetSensorState() = 0;
-  virtual void ResetSensor() = 0;
+  virtual blink::mojom::VRDisplayPtr GetVRDevice() = 0;
+  virtual blink::mojom::VRPosePtr GetPose() = 0;
+  virtual void ResetPose() = 0;
 
  private:
   VRDeviceProvider* provider_;