Move DisplayLayout and DisplayLayoutBuilder From ash To ui/display

ash/display/display_util_unittest.cc

Index: ash/display/display_util_unittest.cc
diff --git a/ash/display/display_util_unittest.cc b/ash/display/display_util_unittest.cc
index 10866ba19c088c45c474f3e91118aacb9c2a27d9..2e70a1b4ce9b0116aa4a9fa239f195b4705782ff 100644
--- a/ash/display/display_util_unittest.cc
+++ b/ash/display/display_util_unittest.cc
@@ -92,7 +92,7 @@ TEST_F(DisplayUtilTest, RotatedDisplay) {
 }
 
 TEST_F(DisplayUtilTest, GenerateDisplayIdList) {
-  DisplayIdList list;
+  display::DisplayIdList list;
   {
     int64_t ids[] = {10, 1};
     list = GenerateDisplayIdList(std::begin(ids), std::end(ids));
@@ -162,13 +162,15 @@ TEST_F(DisplayUtilTest, GenerateDisplayIdList) {
 TEST_F(DisplayUtilTest, DisplayIdListToString) {
   {
     int64_t ids[] = {10, 1, 16};
-    DisplayIdList list = GenerateDisplayIdList(std::begin(ids), std::end(ids));
+    display::DisplayIdList list =
+        GenerateDisplayIdList(std::begin(ids), std::end(ids));
     EXPECT_EQ("1,10,16", DisplayIdListToString(list));
   }
   {
     test::ScopedSetInternalDisplayId set_internal(16);
     int64_t ids[] = {10, 1, 16};
-    DisplayIdList list = GenerateDisplayIdList(std::begin(ids), std::end(ids));
+    display::DisplayIdList list =
+        GenerateDisplayIdList(std::begin(ids), std::end(ids));
     EXPECT_EQ("16,1,10", DisplayIdListToString(list));
   }
 }