Revert "Enable MD by default on Windows for Canary/Dev and local builds."

ui/base/test/material_design_controller_test_api.cc

 // 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 {
 
 MaterialDesignControllerTestAPI::MaterialDesignControllerTestAPI(
     MaterialDesignController::Mode mode)
     : previous_mode_(MaterialDesignController::mode_),
       previous_initialized_(MaterialDesignController::is_mode_initialized_) {
   MaterialDesignController::SetMode(mode);
 }
 
 MaterialDesignControllerTestAPI::~MaterialDesignControllerTestAPI() {
   MaterialDesignController::is_mode_initialized_ = previous_initialized_;
   MaterialDesignController::mode_ = previous_mode_;
 }
 
-// static
 void MaterialDesignControllerTestAPI::Uninitialize() {
   MaterialDesignController::Uninitialize();
 }
 
-// static
-MaterialDesignController::Mode MaterialDesignControllerTestAPI::DefaultMode() {
-  return MaterialDesignController::DefaultMode();
-}
-
 }  // namespace test
 }  // namespace ui