Remove material design resource pak infrastructure

ui/base/resource/resource_data_dll_win.h

 // 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.
 
 #ifndef UI_BASE_RESOURCE_RESOURCE_DATA_DLL_WIN_H_
 #define UI_BASE_RESOURCE_RESOURCE_DATA_DLL_WIN_H_
 
 #include <windows.h>
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "ui/base/resource/resource_handle.h"
 
 namespace ui {
 
 class ResourceDataDLL : public ResourceHandle {
  public:
   explicit ResourceDataDLL(HINSTANCE module);
   ~ResourceDataDLL() override;
 
   // ResourceHandle implementation:
   bool HasResource(uint16_t resource_id) const override;
   bool GetStringPiece(uint16_t resource_id,
                       base::StringPiece* data) const override;
   base::RefCountedStaticMemory* GetStaticMemory(
       uint16_t resource_id) const override;
   TextEncodingType GetTextEncodingType() const override;
   ScaleFactor GetScaleFactor() const override;
-  bool HasOnlyMaterialDesignAssets() const override;
 
  private:
   const HINSTANCE module_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDataDLL);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_DATA_DLL_WIN_H_