Moved --top-chrome-md command line switch from chrome_switches to ui_base_switches.

ui/base/BUILD.gn

Index: ui/base/BUILD.gn
diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
index f8c68a6b8d9d77e88315c3a9f9c7cd2e85e6b0b7..259672db8a3ec125af2fe102fb97bf3abb34b1ce 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -283,6 +283,13 @@ component("base") {
     "work_area_watcher_observer.h",
   ]
 
+  if (is_chromeos || is_linux || is_win) {
+    sources += [
+      "resource/material_design/material_design_controller.cc",
+      "resource/material_design/material_design_controller.h",
+    ]
+  }
+
   if (is_win) {
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
@@ -595,6 +602,13 @@ source_set("test_support") {
     deps += [ "//ui/base/ime" ]
   }
 
+  if (is_chromeos || is_linux || is_win) {
+    sources += [
+      "test/material_design_controller_test_api.cc",
+      "test/material_design_controller_test_api.h",
+    ]
+  }
+
   if (!use_aura) {
     sources -= [ "test/ui_controls_aura.cc" ]
   } else if (is_win) {
@@ -634,6 +648,11 @@ test("ui_base_unittests") {
     "user_activity/user_activity_detector_unittest.cc",
   ]
 
+  if (is_chromeos || is_linux || is_win) {
+    sources +=
+        [ "resource/material_design/material_design_controller_unittest.cc" ]
+  }
+
   if (is_android) {
     sources -= [ "user_activity/user_activity_detector_unittest.cc" ]
   }