Encode frame number in pixel data for pose sync

device/vr/android/gvr/gvr_delegate.h

Index: device/vr/android/gvr/gvr_delegate.h
diff --git a/device/vr/android/gvr/gvr_delegate.h b/device/vr/android/gvr/gvr_delegate.h
index d9d9cf738012a7b085e692a382ea4991228ff054..797664131155bebee4932a991d3fae59d9758b7b 100644
--- a/device/vr/android/gvr/gvr_delegate.h
+++ b/device/vr/android/gvr/gvr_delegate.h
@@ -7,6 +7,7 @@
 
 #include "device/vr/android/gvr/gvr_device_provider.h"
 #include "device/vr/vr_export.h"
+#include "third_party/gvr-android-sdk/src/ndk/include/vr/gvr/capi/include/gvr_types.h"
 
 namespace gvr {
 class GvrApi;
@@ -35,7 +36,7 @@ class DEVICE_VR_EXPORT GvrDelegate {
                                         float top,
                                         float width,
                                         float height) = 0;
-
+  virtual void SetGvrPoseForWebVr(gvr::Mat4f pose, int32_t frameNumStarted) = 0;
   virtual gvr::GvrApi* gvr_api() = 0;
 };