Keep root_location to be in pixels and display coordinates in WS.

services/ui/ws/cursor_location_manager.h

Index: services/ui/ws/cursor_location_manager.h
diff --git a/services/ui/ws/cursor_location_manager.h b/services/ui/ws/cursor_location_manager.h
index 6096cdc5e6446f6ac78e51213b25c601694ac528..e4ef049744362a0e0cdc0ec0801f85c1f71acf76 100644
--- a/services/ui/ws/cursor_location_manager.h
+++ b/services/ui/ws/cursor_location_manager.h
@@ -23,7 +23,7 @@ class CursorLocationManager {
   ~CursorLocationManager();
 
   // Sets the current cursor location to |point|. Atomically writes the location
-  // to shared memory.
+  // to shared memory. |point| should be in screen-coord and DIP.
   void OnMouseCursorLocationChanged(const gfx::Point& point);

[sky, 2017/05/25 22:10:19]

Please rename to point_in_dips to make that clear.

[riajiang, 2017/05/25 22:59:23]

Renamed to point_in_dip?

 
   // Returns a read-only handle to the shared memory which contains the global