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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ | 5 #ifndef CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ |
6 #define CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ | 6 #define CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/discardable_memory.h" | |
10 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
11 #include "third_party/WebKit/public/platform/WebDiscardableMemory.h" | 10 #include "third_party/WebKit/public/platform/WebDiscardableMemory.h" |
12 | 11 |
13 namespace blink { | 12 namespace base { |
14 class WebDiscardableMemory; | 13 class DiscardableMemory; |
15 } | 14 } |
16 | 15 |
17 namespace content { | 16 namespace content { |
18 | 17 |
19 // Implementation of WebDiscardableMemory that is responsible for allocating | 18 // Implementation of WebDiscardableMemory that is responsible for allocating |
20 // discardable memory. | 19 // discardable memory. |
21 class WebDiscardableMemoryImpl : public blink::WebDiscardableMemory { | 20 class WebDiscardableMemoryImpl : public blink::WebDiscardableMemory { |
22 public: | 21 public: |
23 virtual ~WebDiscardableMemoryImpl(); | 22 virtual ~WebDiscardableMemoryImpl(); |
24 | 23 |
25 static scoped_ptr<WebDiscardableMemoryImpl> CreateLockedMemory(size_t size); | 24 static scoped_ptr<WebDiscardableMemoryImpl> CreateLockedMemory(size_t size); |
26 | 25 |
27 // blink::WebDiscardableMemory: | 26 // blink::WebDiscardableMemory: |
28 virtual bool lock(); | 27 virtual bool lock(); |
29 virtual void unlock(); | 28 virtual void unlock(); |
30 virtual void* data(); | 29 virtual void* data(); |
31 | 30 |
32 private: | 31 private: |
33 WebDiscardableMemoryImpl(scoped_ptr<base::DiscardableMemory> memory); | 32 WebDiscardableMemoryImpl(scoped_ptr<base::DiscardableMemory> memory); |
34 | 33 |
35 scoped_ptr<base::DiscardableMemory> discardable_; | 34 scoped_ptr<base::DiscardableMemory> discardable_; |
36 | 35 |
37 DISALLOW_COPY_AND_ASSIGN(WebDiscardableMemoryImpl); | 36 DISALLOW_COPY_AND_ASSIGN(WebDiscardableMemoryImpl); |
38 }; | 37 }; |
39 | 38 |
40 } // namespace content | 39 } // namespace content |
41 | 40 |
42 #endif // CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ | 41 #endif // CONTENT_CHILD_WEB_DISCARDABLE_MEMORY_IMPL_H_ |
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