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

ui/base/test/material_design_controller_test_api.cc

Index: ui/base/test/material_design_controller_test_api.cc
diff --git a/ui/base/test/material_design_controller_test_api.cc b/ui/base/test/material_design_controller_test_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..98cf25b9ad8ad9d660aa2a2619f753f26d6e4e19
--- /dev/null
+++ b/ui/base/test/material_design_controller_test_api.cc
@@ -0,0 +1,20 @@
+// Copyright 2015 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.
+
+#include "ui/base/test/material_design_controller_test_api.h"
+
+namespace ui {
+namespace test {
+
+void MaterialDesignControllerTestAPI::SetMode(
+    MaterialDesignController::Mode mode) {
+  MaterialDesignController::SetMode(mode);
+}
+
+void MaterialDesignControllerTestAPI::UninitializeMode() {
+  MaterialDesignController::UninitializeMode();
+}
+
+}  // namespace test
+}  // namespace ui