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Side by Side Diff: third_party/WebKit/Source/core/frame/UseCounter.h

Issue 1471963007: Count usage of #svgView(...) and plain SVG <view> targets (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update histograms.xml Created 5 years ago
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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 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
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883 BackgroundSyncRegister = 1025, 883 BackgroundSyncRegister = 1025,
884 BorderImageWithBorderStyleNone = 1026, 884 BorderImageWithBorderStyleNone = 1026,
885 ExecCommandOnInputOrTextarea = 1027, 885 ExecCommandOnInputOrTextarea = 1027,
886 V8History_ScrollRestoration_AttributeGetter = 1028, 886 V8History_ScrollRestoration_AttributeGetter = 1028,
887 V8History_ScrollRestoration_AttributeSetter = 1029, 887 V8History_ScrollRestoration_AttributeSetter = 1029,
888 SVG1DOMFilter = 1030, 888 SVG1DOMFilter = 1030,
889 OfflineAudioContextStartRendering = 1031, 889 OfflineAudioContextStartRendering = 1031,
890 OfflineAudioContextSuspend = 1032, 890 OfflineAudioContextSuspend = 1032,
891 OfflineAudioContextResume = 1033, 891 OfflineAudioContextResume = 1033,
892 SVG1DOMPaintServer = 1034, 892 SVG1DOMPaintServer = 1034,
893 SVGSVGElementFragmentSVGView = 1035,
894 SVGSVGElementFragment = 1036,
893 895
894 // Add new features immediately above this line. Don't change assigned 896 // Add new features immediately above this line. Don't change assigned
895 // numbers of any item, and don't reuse removed slots. 897 // numbers of any item, and don't reuse removed slots.
896 // Also, run update_use_counter_feature_enum.py in chromium/src/tools/me trics/histograms/ 898 // Also, run update_use_counter_feature_enum.py in chromium/src/tools/me trics/histograms/
897 // to update the UMA mapping. 899 // to update the UMA mapping.
898 NumberOfFeatures, // This enum value must be last. 900 NumberOfFeatures, // This enum value must be last.
899 }; 901 };
900 902
901 // "count" sets the bit for this feature to 1. Repeated calls are ignored. 903 // "count" sets the bit for this feature to 1. Repeated calls are ignored.
902 static void count(const Frame*, Feature); 904 static void count(const Frame*, Feature);
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987 989
988 bool hasRecordedMeasurement(Feature feature) const { return m_countBits.hasR ecordedMeasurement(feature); } 990 bool hasRecordedMeasurement(Feature feature) const { return m_countBits.hasR ecordedMeasurement(feature); }
989 991
990 CountBits m_countBits; 992 CountBits m_countBits;
991 BitVector m_CSSFeatureBits; 993 BitVector m_CSSFeatureBits;
992 }; 994 };
993 995
994 } // namespace blink 996 } // namespace blink
995 997
996 #endif // UseCounter_h 998 #endif // UseCounter_h
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