| // Copyright 2014 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 CONTENT_CHILD_CHILD_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |
| #define CONTENT_CHILD_CHILD_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |
| |
| #include "base/memory/discardable_memory_shmem_allocator.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/child/thread_safe_sender.h" |
| |
| namespace content { |
| |
| // Implementation of DiscardableMemoryShmemAllocator that allocates |
| // discardable memory segments through the browser process. |
| class ChildDiscardableSharedMemoryManager |
| : public base::DiscardableMemoryShmemAllocator { |
| public: |
| explicit ChildDiscardableSharedMemoryManager(ThreadSafeSender* sender); |
| ~ChildDiscardableSharedMemoryManager() override; |
| |
| // Overridden from base::DiscardableMemoryShmemAllocator: |
| scoped_ptr<base::DiscardableSharedMemory> |
| AllocateLockedDiscardableSharedMemory(size_t size) override; |
| |
| private: |
| scoped_refptr<ThreadSafeSender> sender_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChildDiscardableSharedMemoryManager); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_CHILD_CHILD_DISCARDABLE_SHARED_MEMORY_MANAGER_H_ |