Remove a bunch of pre-MD toolbar code and assets.

chrome/browser/ui/views/toolbar/browser_actions_container.cc

 // Copyright 2013 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/browser/ui/views/toolbar/browser_actions_container.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/stl_util.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/ui/views/toolbar/toolbar_actions_bar_bubble_views.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
 #include "chrome/common/extensions/command.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
 #include "extensions/common/feature_switch.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/dragdrop/drag_utils.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/nine_image_painter_factory.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/controls/resize_area.h"
 #include "ui/views/painter.h"
 #include "ui/views/widget/widget.h"
 
@@ skipping 619 matching lines @@
   }
 }
 
 void BrowserActionsContainer::ClearActiveBubble(views::Widget* widget) {
   DCHECK(active_bubble_);
   DCHECK_EQ(active_bubble_->GetWidget(), widget);
   widget->RemoveObserver(this);
   active_bubble_ = nullptr;
   toolbar_actions_bar_->OnBubbleClosed();
 }