Expose secure origin state to WebVR renderer

device/vr/android/gvr/gvr_device.h

Index: device/vr/android/gvr/gvr_device.h
diff --git a/device/vr/android/gvr/gvr_device.h b/device/vr/android/gvr/gvr_device.h
index a13c0696934c43572e0fa4dd700960cb7f8fd742..2dafc76aae03087ff824b92852595994a51b1750 100644
--- a/device/vr/android/gvr/gvr_device.h
+++ b/device/vr/android/gvr/gvr_device.h
@@ -27,7 +27,7 @@ class GvrDevice : public VRDevice {
   VRPosePtr GetPose() override;
   void ResetPose() override;
 
-  bool RequestPresent() override;
+  bool RequestPresent(bool secure_origin) override;
   void ExitPresent() override;
 
   void SubmitFrame(VRPosePtr pose) override;
@@ -41,6 +41,7 @@ class GvrDevice : public VRDevice {
 
   GvrDelegate* delegate_;
   GvrDeviceProvider* gvr_provider_;
+  bool secure_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(GvrDevice);
 };