| // 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. | 
 |  | 
 | #ifndef BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ | 
 | #define BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ | 
 |  | 
 | #include <stddef.h> | 
 |  | 
 | #include "base/macros.h" | 
 | #include "base/memory/discardable_memory_allocator.h" | 
 |  | 
 | namespace base { | 
 |  | 
 | // TestDiscardableMemoryAllocator is a simple DiscardableMemoryAllocator | 
 | // implementation that can be used for testing. It allocates one-shot | 
 | // DiscardableMemory instances backed by heap memory. | 
 | class TestDiscardableMemoryAllocator : public DiscardableMemoryAllocator { | 
 |  public: | 
 |   constexpr TestDiscardableMemoryAllocator() = default; | 
 |  | 
 |   // Overridden from DiscardableMemoryAllocator: | 
 |   std::unique_ptr<DiscardableMemory> AllocateLockedDiscardableMemory( | 
 |       size_t size) override; | 
 |  | 
 |  private: | 
 |   DISALLOW_COPY_AND_ASSIGN(TestDiscardableMemoryAllocator); | 
 | }; | 
 |  | 
 | }  // namespace base | 
 |  | 
 | #endif  // BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ |