WebVR: fix incorrect renderWidth for the right eye

device/vr/android/gvr/gvr_device.cc

Index: device/vr/android/gvr/gvr_device.cc
diff --git a/device/vr/android/gvr/gvr_device.cc b/device/vr/android/gvr/gvr_device.cc
index 6e1c1bdec1a0aae69c5313215642aa429bce98cf..6a8f0611b822e64a3ba1decc56b79affc479045d 100644
--- a/device/vr/android/gvr/gvr_device.cc
+++ b/device/vr/android/gvr/gvr_device.cc
@@ -103,7 +103,7 @@ mojom::VRDisplayInfoPtr GvrDevice::GetVRDevice() {
   gvr::Sizei compositor_size = delegate_->GetWebVRCompositorSurfaceSize();
   left_eye->renderWidth = compositor_size.width / 2;
   left_eye->renderHeight = compositor_size.height;
-  right_eye->renderWidth = left_eye->renderHeight;
+  right_eye->renderWidth = left_eye->renderWidth;
   right_eye->renderHeight = left_eye->renderHeight;
 
   std::string vendor = gvr_api->GetViewerVendor();