| // 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 "base/memory/discardable_memory_allocator.h" |
| |
| #include "base/logging.h" |
| |
| namespace base { |
| namespace { |
| |
| DiscardableMemoryAllocator* g_allocator = nullptr; |
| |
| } // namespace |
| |
| // static |
| void DiscardableMemoryAllocator::SetInstance( |
| DiscardableMemoryAllocator* allocator) { |
| DCHECK(allocator); |
| |
| // Make sure this function is only called once before the first call |
| // to GetInstance(). |
| DCHECK(!g_allocator); |
| |
| g_allocator = allocator; |
| } |
| |
| // static |
| DiscardableMemoryAllocator* DiscardableMemoryAllocator::GetInstance() { |
| DCHECK(g_allocator); |
| return g_allocator; |
| } |
| |
| } // namespace base |