Gut ash::MaterialDesignController, and remove the about:flags entry.

chrome/test/base/browser_with_test_window_test.cc

 // Copyright (c) 2012 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 "chrome/test/base/browser_with_test_window_test.h"
 
-#include "ash/common/material_design/material_design_controller.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile_destroyer.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
@@ skipping 36 matching lines @@
 
 void BrowserWithTestWindowTest::SetUp() {
   testing::Test::SetUp();
 #if defined(OS_CHROMEOS)
   // TODO(jamescook): Windows Ash support. This will require refactoring
   // AshTestHelper and AuraTestHelper so they can be used at the same time,
   // perhaps by AshTestHelper owning an AuraTestHelper.
   ash_test_environment_ = base::MakeUnique<AshTestEnvironmentChrome>();
   ash_test_helper_.reset(
       new ash::test::AshTestHelper(ash_test_environment_.get()));
-  ash_test_helper_->SetUp(true,
-                          ash::MaterialDesignController::Mode::UNINITIALIZED);
+  ash_test_helper_->SetUp(true);
 #elif defined(TOOLKIT_VIEWS)
   views_test_helper_.reset(new views::ScopedViewsTestHelper());
 #endif
 #if defined(TOOLKIT_VIEWS)
   SetConstrainedWindowViewsClient(CreateChromeConstrainedWindowViewsClient());
 #endif
 
   if (content::IsBrowserSideNavigationEnabled())
     content::BrowserSideNavigationSetUp();
 
@@ skipping 127 matching lines @@
   Browser::CreateParams params(profile);
   if (hosted_app) {
     params = Browser::CreateParams::CreateForApp(
         "Test", true /* trusted_source */, gfx::Rect(), profile);
   } else {
     params.type = browser_type;
   }
   params.window = browser_window;
   return new Browser(params);
 }