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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef WebCompositorMutableStateProvider_h |
| 6 #define WebCompositorMutableStateProvider_h |
| 7 |
| 8 #include "public/platform/WebPassOwnPtr.h" |
| 9 |
| 10 #include <cstdint> |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 class WebCompositorMutableState; |
| 15 |
| 16 // This class is a window onto compositor-owned state. It vends out wrappers |
| 17 // around per-element bits of this state. |
| 18 class WebCompositorMutableStateProvider { |
| 19 public: |
| 20 virtual ~WebCompositorMutableStateProvider() { } |
| 21 |
| 22 // The caller is expected to take ownership. |
| 23 virtual WebPassOwnPtr<WebCompositorMutableState> getMutableStateFor(uint64_t
elementId) = 0; |
| 24 }; |
| 25 |
| 26 } // namespace blink |
| 27 |
| 28 #endif // WebCompositorMutableStateProvider_h |
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