Move DisplayLayout and DisplayLayoutBuilder From ash To ui/display

ash/display/root_window_transformers_unittest.cc

Index: ash/display/root_window_transformers_unittest.cc
diff --git a/ash/display/root_window_transformers_unittest.cc b/ash/display/root_window_transformers_unittest.cc
index 9223a54f716c05887d61049fab88137027caf4e5..01dab0ee8917c21de070ace2ef7c8488cd1d0162 100644
--- a/ash/display/root_window_transformers_unittest.cc
+++ b/ash/display/root_window_transformers_unittest.cc
@@ -21,6 +21,7 @@
 #include "ui/aura/env.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tracker.h"
+#include "ui/display/manager/display_layout.h"
 #include "ui/events/event_handler.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/gfx/display.h"
@@ -193,7 +194,7 @@ TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
   magnifier->SetEnabled(false);
 
   display_manager->SetLayoutForCurrentDisplays(
-      test::CreateDisplayLayout(DisplayPlacement::BOTTOM, 50));
+      test::CreateDisplayLayout(display::DisplayPlacement::BOTTOM, 50));
   EXPECT_EQ("50,120 150x200",
             ScreenUtil::GetSecondaryDisplay().bounds().ToString());