Rename WindowTreeHost functions to indicate pixels/dips.

ash/display/cursor_window_controller.cc

Index: ash/display/cursor_window_controller.cc
diff --git a/ash/display/cursor_window_controller.cc b/ash/display/cursor_window_controller.cc
index fbd9e96eecefa282db568e705d51a85c4048b0c7..8d7aa01ad3f7eaa88d9331aa667f587f66e696ce 100644
--- a/ash/display/cursor_window_controller.cc
+++ b/ash/display/cursor_window_controller.cc
@@ -150,7 +150,7 @@ void CursorWindowController::UpdateLocation() {
     return;
   gfx::Point point = aura::Env::GetInstance()->last_mouse_location();
   if (!is_cursor_compositing_enabled_) {
-    Shell::GetPrimaryRootWindow()->GetHost()->ConvertPointToHost(&point);
+    Shell::GetPrimaryRootWindow()->GetHost()->ConvertPointFromDIPToHost(&point);
   } else {
     point.Offset(-bounds_in_screen_.x(), -bounds_in_screen_.y());
   }