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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "webkit/child/web_discardable_memory_impl.h" | 5 #include "webkit/child/web_discardable_memory_impl.h" |
6 | 6 |
7 namespace webkit_glue { | 7 namespace webkit_glue { |
8 | 8 |
9 WebDiscardableMemoryImpl::~WebDiscardableMemoryImpl() {} | 9 WebDiscardableMemoryImpl::~WebDiscardableMemoryImpl() {} |
10 | 10 |
11 // static | 11 // static |
12 scoped_ptr<WebDiscardableMemoryImpl> | 12 scoped_ptr<WebDiscardableMemoryImpl> |
13 WebDiscardableMemoryImpl::CreateLockedMemory(size_t size) { | 13 WebDiscardableMemoryImpl::CreateLockedMemory(size_t size) { |
14 scoped_ptr<base::DiscardableMemory> memory( | 14 scoped_ptr<base::DiscardableMemory> memory( |
15 base::DiscardableMemory::CreateLockedMemory(size)); | 15 base::DiscardableMemory::CreateLockedMemory(size)); |
16 if (!memory) | 16 if (!memory) |
17 return scoped_ptr<WebDiscardableMemoryImpl>(); | 17 return scoped_ptr<WebDiscardableMemoryImpl>(); |
18 return make_scoped_ptr(new WebDiscardableMemoryImpl(memory.Pass())); | 18 return make_scoped_ptr(new WebDiscardableMemoryImpl(memory.Pass())); |
19 } | 19 } |
20 | 20 |
21 bool WebDiscardableMemoryImpl::lock() { | 21 bool WebDiscardableMemoryImpl::lock() { |
22 base::LockDiscardableMemoryStatus status = discardable_->Lock(); | 22 base::DiscardableMemoryLockStatus status = discardable_->Lock(); |
23 switch (status) { | 23 switch (status) { |
24 case base::DISCARDABLE_MEMORY_SUCCESS: | 24 case base::DISCARDABLE_MEMORY_LOCK_STATUS_SUCCESS: |
25 return true; | 25 return true; |
26 case base::DISCARDABLE_MEMORY_PURGED: | 26 case base::DISCARDABLE_MEMORY_LOCK_STATUS_PURGED: |
27 discardable_->Unlock(); | 27 discardable_->Unlock(); |
28 return false; | 28 return false; |
29 default: | 29 default: |
30 discardable_.reset(); | 30 discardable_.reset(); |
31 return false; | 31 return false; |
32 } | 32 } |
33 } | 33 } |
34 | 34 |
35 void WebDiscardableMemoryImpl::unlock() { | 35 void WebDiscardableMemoryImpl::unlock() { |
36 discardable_->Unlock(); | 36 discardable_->Unlock(); |
37 } | 37 } |
38 | 38 |
39 void* WebDiscardableMemoryImpl::data() { | 39 void* WebDiscardableMemoryImpl::data() { |
40 return discardable_->Memory(); | 40 return discardable_->Memory(); |
41 } | 41 } |
42 | 42 |
43 WebDiscardableMemoryImpl::WebDiscardableMemoryImpl( | 43 WebDiscardableMemoryImpl::WebDiscardableMemoryImpl( |
44 scoped_ptr<base::DiscardableMemory> memory) | 44 scoped_ptr<base::DiscardableMemory> memory) |
45 : discardable_(memory.Pass()) { | 45 : discardable_(memory.Pass()) { |
46 } | 46 } |
47 | 47 |
48 } // namespace webkit_glue | 48 } // namespace webkit_glue |
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