mojo VR interface simplified

device/vr/test/fake_vr_device.h

Index: device/vr/test/fake_vr_device.h
diff --git a/device/vr/test/fake_vr_device.h b/device/vr/test/fake_vr_device.h
index a72a1941003e99c282a9e9550955aef901166e95..1d74677fbfb01e4c442297ff3f5d39899fb65c4d 100644
--- a/device/vr/test/fake_vr_device.h
+++ b/device/vr/test/fake_vr_device.h
@@ -20,10 +20,29 @@ class FakeVRDevice : public VRDevice {
 
   void SetVRDevice(const VRDisplayPtr& device);
   void SetPose(const VRPosePtr& state);
+  unsigned UpdatedNum() { return updated; }
+  bool IsDeviceRegistered() {
+    device_registered = !device_registered;
+    return !device_registered;
+  }
 
   VRDisplayPtr GetVRDevice() override;
-  VRPosePtr GetPose() override;
-  void ResetPose() override;
+  VRPosePtr GetPose(VRServiceImpl* service) override;
+  void ResetPose(VRServiceImpl* service) override;
+
+  bool RequestPresent(VRServiceImpl* service, bool secure_origin) override;
+  void ExitPresent(VRServiceImpl* service) override;
+  void SubmitFrame(VRServiceImpl* service, VRPosePtr pose) override;
+  void UpdateLayerBounds(VRServiceImpl* service,
+                         VRLayerBoundsPtr leftBounds,
+                         VRLayerBoundsPtr rightBounds) override;
+  void RegisterDeviceClient(VRServiceImpl* service) override;
+  void UpdateDisplayInfo(VRServiceImpl* service) override;
+
+  void OnDisplayChanged() override;
+  void OnExitPresent(VRServiceImpl* service) override;
+  void OnDisplayConnected() override;
+  void OnDisplayDisconnected() override;
 
  private:
   VREyeParametersPtr InitEye(float fov, float offset, uint32_t size);
@@ -31,6 +50,9 @@ class FakeVRDevice : public VRDevice {
   VRDisplayPtr device_;
   VRPosePtr pose_;
 
+  unsigned updated;
+  bool device_registered;
+
   DISALLOW_COPY_AND_ASSIGN(FakeVRDevice);
 };