Rename WindowTreeHost functions to indicate pixels/dips.

ash/display/cursor_window_controller_unittest.cc

Index: ash/display/cursor_window_controller_unittest.cc
diff --git a/ash/display/cursor_window_controller_unittest.cc b/ash/display/cursor_window_controller_unittest.cc
index 2d448a3655a4a1af941e14d69d73ac855644d951..07f44df96a6349649da75d34ab7aa0c6ea8aed44 100644
--- a/ash/display/cursor_window_controller_unittest.cc
+++ b/ash/display/cursor_window_controller_unittest.cc
@@ -102,7 +102,8 @@ TEST_F(CursorWindowControllerTest, MoveToDifferentDisplay) {
   // asynchronously. This is implemented in a platform specific way. Generate a
   // fake mouse move instead of waiting.
   gfx::Point new_cursor_position_in_host(20, 50);
-  secondary_root->GetHost()->ConvertPointToHost(&new_cursor_position_in_host);
+  secondary_root->GetHost()->ConvertPointFromDIPToHost(
+      &new_cursor_position_in_host);
   ui::test::EventGenerator secondary_generator(secondary_root);
   secondary_generator.MoveMouseToInHost(new_cursor_position_in_host);