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

ui/base/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 159 matching lines @@
     "l10n/l10n_util_plurals.cc",
     "l10n/l10n_util_plurals.h",
     "l10n/l10n_util_posix.cc",
     "l10n/l10n_util_win.cc",
     "l10n/l10n_util_win.h",
     "l10n/time_format.cc",
     "l10n/time_format.h",
     "layout.cc",
     "layout.h",
     "layout_mac.mm",
+    "material_design/material_design_controller.cc",
+    "material_design/material_design_controller.h",
     "models/button_menu_item_model.cc",
     "models/button_menu_item_model.h",
     "models/combobox_model.cc",
     "models/combobox_model.h",
     "models/combobox_model_observer.h",
     "models/dialog_model.cc",
     "models/dialog_model.h",
     "models/list_model.h",
     "models/list_model_observer.h",
     "models/list_selection_model.cc",
@@ skipping 361 matching lines @@
       "device_form_factor_desktop.cc",
       "idle/idle.cc",
       "idle/idle.h",
     ]
   }
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
+    "test/material_design_controller_test_api.cc",
+    "test/material_design_controller_test_api.h",
     "test/nswindow_fullscreen_notification_waiter.h",
     "test/nswindow_fullscreen_notification_waiter.mm",
     "test/test_clipboard.cc",
     "test/test_clipboard.h",
     "test/ui_controls.h",
     "test/ui_controls_aura.cc",
     "test/ui_controls_internal_win.cc",
     "test/ui_controls_internal_win.h",
     "test/ui_controls_mac.mm",
     "test/ui_controls_win.cc",
@@ skipping 85 matching lines @@
       "cocoa/controls/hyperlink_button_cell_unittest.mm",
       "cocoa/controls/hyperlink_text_view_unittest.mm",
       "cocoa/focus_tracker_unittest.mm",
       "cocoa/fullscreen_window_manager_unittest.mm",
       "cocoa/hover_image_button_unittest.mm",
       "cocoa/menu_controller_unittest.mm",
       "cocoa/nsgraphics_context_additions_unittest.mm",
       "cocoa/nsview_additions_unittest.mm",
       "cocoa/three_part_image_unittest.mm",
       "cocoa/tracking_area_unittest.mm",
+      "material_design/material_design_controller_unittest.cc",
       "models/list_model_unittest.cc",
       "models/list_selection_model_unittest.cc",
       "models/tree_node_model_unittest.cc",
       "test/data/resource.h",
       "text/bytes_formatting_unittest.cc",
       "touch/selection_bound_unittest.cc",
       "view_prop_unittest.cc",
       "webui/web_ui_util_unittest.cc",
     ]
   }
@@ skipping 126 matching lines @@
   }
 
   if (is_chromeos) {
     deps += [
       "//chromeos",
       "//ui/events:dom_keycode_converter",
     ]
   }
 }
 # TODO(GYP) Mac (ui_base_tests_bundle)