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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ | 5 #ifndef CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
6 #define CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ | 6 #define CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
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75 | 75 |
76 std::vector<ui::LatencyInfo> latency_info; | 76 std::vector<ui::LatencyInfo> latency_info; |
77 | 77 |
78 // This is the set of Surfaces that are referenced by this frame. | 78 // This is the set of Surfaces that are referenced by this frame. |
79 std::vector<SurfaceId> referenced_surfaces; | 79 std::vector<SurfaceId> referenced_surfaces; |
80 | 80 |
81 // This indicates whether this CompositorFrame can be activated before | 81 // This indicates whether this CompositorFrame can be activated before |
82 // dependencies have been resolved. | 82 // dependencies have been resolved. |
83 bool can_activate_before_dependencies = true; | 83 bool can_activate_before_dependencies = true; |
84 | 84 |
| 85 // This is a value that allows the browser to associate compositor frames |
| 86 // with the content that they represent -- typically top-level page loads. |
| 87 // TODO(kenrb, fsamuel): This should eventually by SurfaceID, when they |
| 88 // become available in all renderer processes. See https://crbug.com/695579. |
| 89 uint32_t content_source_id = 0; |
| 90 |
85 private: | 91 private: |
86 CompositorFrameMetadata(const CompositorFrameMetadata& other); | 92 CompositorFrameMetadata(const CompositorFrameMetadata& other); |
87 CompositorFrameMetadata operator=(const CompositorFrameMetadata&) = delete; | 93 CompositorFrameMetadata operator=(const CompositorFrameMetadata&) = delete; |
88 }; | 94 }; |
89 | 95 |
90 } // namespace cc | 96 } // namespace cc |
91 | 97 |
92 #endif // CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ | 98 #endif // CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
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