| // 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_WEB_DISCARDABLE_MEMORY_IMPL_H_ |
| #define CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ |
| |
| #include <stddef.h> |
| |
| #include "base/macros.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "third_party/WebKit/public/platform/WebDiscardableMemory.h" |
| |
| namespace base { |
| class DiscardableMemory; |
| } |
| |
| namespace content { |
| |
| // Implementation of WebDiscardableMemory that is responsible for allocating |
| // discardable memory. |
| class WebDiscardableMemoryImpl : public blink::WebDiscardableMemory { |
| public: |
| ~WebDiscardableMemoryImpl() override; |
| |
| static scoped_ptr<WebDiscardableMemoryImpl> CreateLockedMemory(size_t size); |
| |
| // blink::WebDiscardableMemory: |
| bool lock() override; |
| void unlock() override; |
| void* data() override; |
| blink::WebMemoryAllocatorDump* createMemoryAllocatorDump( |
| const blink::WebString& name, |
| blink::WebProcessMemoryDump* wpmd) const override; |
| |
| private: |
| WebDiscardableMemoryImpl(scoped_ptr<base::DiscardableMemory> memory); |
| |
| scoped_ptr<base::DiscardableMemory> discardable_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebDiscardableMemoryImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ |