[LayoutNG] Move remaining ng_units structs to their own files

third_party/WebKit/Source/core/BUILD.gn

Index: third_party/WebKit/Source/core/BUILD.gn
diff --git a/third_party/WebKit/Source/core/BUILD.gn b/third_party/WebKit/Source/core/BUILD.gn
index 2c49d32a9c883c7b58fe3407d8dc6b076351de0d..805ac0276fd8c2c7d6cb4f7f423053da80cfc6c5 100644
--- a/third_party/WebKit/Source/core/BUILD.gn
+++ b/third_party/WebKit/Source/core/BUILD.gn
@@ -1298,6 +1298,7 @@ source_set("unit_tests") {
     "layout/compositing/CompositingReasonFinderTest.cpp",
     "layout/line/InlineBoxTest.cpp",
     "layout/line/InlineTextBoxTest.cpp",
+    "layout/ng/geometry/ng_box_strut.cc",
     "layout/ng/geometry/ng_logical_offset_test.cc",
     "layout/ng/geometry/ng_physical_rect_test.cc",
     "layout/ng/ng_absolute_utils_test.cc",
@@ -1309,8 +1310,8 @@ source_set("unit_tests") {
     "layout/ng/ng_inline_node_test.cc",
     "layout/ng/ng_layout_inline_items_builder_test.cc",
     "layout/ng/ng_length_utils_test.cc",
+    "layout/ng/ng_min_max_content_size_test.cc",
     "layout/ng/ng_out_of_flow_layout_part_test.cc",
-    "layout/ng/ng_units_test.cc",
     "layout/shapes/BoxShapeTest.cpp",
     "layout/svg/LayoutSVGRootTest.cpp",
     "loader/DocumentLoadTimingTest.cpp",