Separate motion event touch geometry orientation from stylus orientation.

components/html_viewer/touch_handler.cc

Index: components/html_viewer/touch_handler.cc
diff --git a/components/html_viewer/touch_handler.cc b/components/html_viewer/touch_handler.cc
index d555d1f359bcca510bd127b82b3fe917fc0f5103..49d76ae9f868a442a8b1ad747d34fef25f76aa8c 100644
--- a/components/html_viewer/touch_handler.cc
+++ b/components/html_viewer/touch_handler.cc
@@ -25,7 +25,7 @@ void SetPropertiesFromEvent(const mojo::Event& event,
   properties->pressure = event.pointer_data->pressure;
   properties->touch_major = event.pointer_data->radius_major;
   properties->touch_minor = event.pointer_data->radius_minor;
-  properties->orientation = event.pointer_data->orientation;
+  properties->touch_orientation = event.pointer_data->orientation;
   // TODO(sky): Add support for tool_type.
 }