Move two utility functions from ash/screen_util.h to ui/wm/core/coordinate_conversion.h

ash/wm/drag_window_controller.cc

Index: ash/wm/drag_window_controller.cc
diff --git a/ash/wm/drag_window_controller.cc b/ash/wm/drag_window_controller.cc
index 698f0d979b76fa3ed98dfdcfed1e8c226c7a5f09..5a529ecd58a0754884f768ef90941c753375e9de 100644
--- a/ash/wm/drag_window_controller.cc
+++ b/ash/wm/drag_window_controller.cc
@@ -8,7 +8,6 @@
 
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/public/cpp/shell_window_ids.h"
-#include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/memory/ptr_util.h"
@@ -24,6 +23,7 @@
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
+#include "ui/wm/core/coordinate_conversion.h"
 #include "ui/wm/core/shadow_types.h"
 #include "ui/wm/core/window_util.h"
 
@@ -59,8 +59,8 @@ class DragWindowController::DragWindowDetails : public aura::WindowDelegate {
     if (!drag_window_)
       CreateDragWindow(original_window, bounds_in_screen);
 
-    gfx::Rect bounds_in_root = ScreenUtil::ConvertRectFromScreen(
-        drag_window_->parent(), bounds_in_screen);
+    gfx::Rect bounds_in_root =
+        ::wm::ConvertRectFromScreen(drag_window_->parent(), bounds_in_screen);
     drag_window_->SetBounds(bounds_in_root);
     if (root_bounds_in_screen.Contains(drag_location_in_screen)) {
       SetOpacity(original_window, 1.f);