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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "core/dom/NodeRareData.h" | 31 #include "core/dom/NodeRareData.h" |
32 | 32 |
33 #include "bindings/core/v8/ScriptWrappableVisitor.h" | 33 #include "bindings/core/v8/ScriptWrappableVisitor.h" |
34 #include "core/dom/Element.h" | 34 #include "core/dom/Element.h" |
35 #include "core/dom/ElementRareData.h" | 35 #include "core/dom/ElementRareData.h" |
36 #include "core/frame/FrameHost.h" | 36 #include "core/frame/FrameHost.h" |
37 #include "core/layout/LayoutObject.h" | |
38 #include "platform/heap/Handle.h" | 37 #include "platform/heap/Handle.h" |
39 | 38 |
40 namespace blink { | 39 namespace blink { |
41 | 40 |
42 struct SameSizeAsNodeRareData { | 41 struct SameSizeAsNodeRareData { |
43 void* m_pointer; | 42 void* m_pointer; |
44 Member<void*> m_willbeMember[2]; | 43 Member<void*> m_willbeMember[2]; |
45 unsigned m_bitfields; | 44 unsigned m_bitfields; |
46 }; | 45 }; |
47 | 46 |
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90 void NodeRareData::incrementConnectedSubframeCount() | 89 void NodeRareData::incrementConnectedSubframeCount() |
91 { | 90 { |
92 SECURITY_CHECK((m_connectedFrameCount + 1) <= FrameHost::maxNumberOfFrames); | 91 SECURITY_CHECK((m_connectedFrameCount + 1) <= FrameHost::maxNumberOfFrames); |
93 ++m_connectedFrameCount; | 92 ++m_connectedFrameCount; |
94 } | 93 } |
95 | 94 |
96 // Ensure the 10 bits reserved for the m_connectedFrameCount cannot overflow | 95 // Ensure the 10 bits reserved for the m_connectedFrameCount cannot overflow |
97 static_assert(FrameHost::maxNumberOfFrames < (1 << NodeRareData::ConnectedFrameC
ountBits), "Frame limit should fit in rare data count"); | 96 static_assert(FrameHost::maxNumberOfFrames < (1 << NodeRareData::ConnectedFrameC
ountBits), "Frame limit should fit in rare data count"); |
98 | 97 |
99 } // namespace blink | 98 } // namespace blink |
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