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

Issue 2796283005: Adding UseCounter specific for extensions (Closed)
Patch Set: Created 3 years, 8 months 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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1594 bool hasRecordedMeasurement(Feature) const; 1594 bool hasRecordedMeasurement(Feature) const;
1595 1595
1596 DECLARE_TRACE(); 1596 DECLARE_TRACE();
1597 1597
1598 private: 1598 private:
1599 // Notifies that a feature is newly counted to |m_observers|. This shouldn't 1599 // Notifies that a feature is newly counted to |m_observers|. This shouldn't
1600 // be called when the counter is disabled by |m_muteCount| or 1600 // be called when the counter is disabled by |m_muteCount| or
1601 // |m_disableReporting|. 1601 // |m_disableReporting|.
1602 void notifyFeatureCounted(Feature); 1602 void notifyFeatureCounted(Feature);
1603 1603
1604 EnumerationHistogram& extensionFeaturesHistogram() const;
1604 EnumerationHistogram& featuresHistogram() const; 1605 EnumerationHistogram& featuresHistogram() const;
1605 EnumerationHistogram& cssHistogram() const; 1606 EnumerationHistogram& cssHistogram() const;
1606 EnumerationHistogram& animatedCSSHistogram() const; 1607 EnumerationHistogram& animatedCSSHistogram() const;
1607 1608
1608 // If non-zero, ignore all 'count' calls completely. 1609 // If non-zero, ignore all 'count' calls completely.
1609 unsigned m_muteCount; 1610 unsigned m_muteCount;
1610 1611
1611 // If true, disable reporting all histogram entries. 1612 // If true, disable reporting all histogram entries.
1612 bool m_disableReporting; 1613 bool m_disableReporting;
1613 1614
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1637 // Tracks what features/properties need to be reported to the legacy 1638 // Tracks what features/properties need to be reported to the legacy
1638 // histograms. 1639 // histograms.
1639 BitVector m_featureBits; 1640 BitVector m_featureBits;
1640 BitVector m_CSSBits; 1641 BitVector m_CSSBits;
1641 } m_legacyCounter; 1642 } m_legacyCounter;
1642 }; 1643 };
1643 1644
1644 } // namespace blink 1645 } // namespace blink
1645 1646
1646 #endif // UseCounter_h 1647 #endif // UseCounter_h
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