Move CSS animations use counters to UseCounter

third_party/WebKit/Source/core/frame/UseCounter.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1487 matching lines @@
   };
 
   // "count" sets the bit for this feature to 1. Repeated calls are ignored.
   static void count(const Frame*, Feature);
   static void count(const Document&, Feature);
   static void count(ExecutionContext*, Feature);
 
   void count(CSSParserMode, CSSPropertyID);
   void count(Feature);
 
+  static void countAnimatedCSS(const Document&, CSSPropertyID);
+  void countAnimatedCSS(CSSPropertyID);
+
   // Count only features if they're being used in an iframe which does not
   // have script access into the top level document.
   static void countCrossOriginIframe(const Document&, Feature);
 
   // Return whether the Feature was previously counted for this document.
   // NOTE: only for use in testing.
   static bool isCounted(Document&, Feature);
   // Return whether the CSSPropertyID was previously counted for this document.
   // NOTE: only for use in testing.
   static bool isCounted(Document&, const String&);
   bool isCounted(CSSPropertyID unresolvedProperty);
 
+  // Return whether the CSSPropertyID was previously counted for this document.
+  // NOTE: only for use in testing.
+  static bool isCountedAnimatedCSS(Document&, const String&);
+  bool isCountedAnimatedCSS(CSSPropertyID unresolvedProperty);
+
   // Retains a reference to the observer to notify of UseCounter changes.
   void addObserver(Observer*);
 
   // Invoked when a new document is loaded into the main frame of the page.
   void didCommitLoad(KURL);
 
   static int mapCSSPropertyIdToCSSSampleIdForHistogram(CSSPropertyID);
 
   // When muted, all calls to "count" functions are ignoed.  May be nested.
   void muteForInspector();
   void unmuteForInspector();
 
   void recordMeasurement(Feature);
 
   // Return whether the feature has been seen since the last page load
   // (except when muted).  Does include features seen in documents which have
   // reporting disabled.
   bool hasRecordedMeasurement(Feature) const;
 
   DECLARE_TRACE();
 
  private:
   // Notifies that a feature is newly counted to |m_observers|. This shouldn't
   // be called when the counter is disabled by |m_muteCount| or
   // |m_disableReporting|.
   void notifyFeatureCounted(Feature);
 
   EnumerationHistogram& featuresHistogram() const;
   EnumerationHistogram& cssHistogram() const;
+  EnumerationHistogram& animatedCSSHistogram() const;
 
   // If non-zero, ignore all 'count' calls completely.
   unsigned m_muteCount;
 
   // If true, disable reporting all histogram entries.
   bool m_disableReporting;
 
   // The scope represented by this UseCounter instance.
   Context m_context;
 
   // Track what features/properties have been reported to the (non-legacy)
   // histograms.
   BitVector m_featuresRecorded;
   BitVector m_CSSRecorded;
+  BitVector m_animatedCSSRecorded;
 
   HeapHashSet<Member<Observer>> m_observers;
 
   // Encapsulates the work to preserve the old "FeatureObserver" histogram with
   // original semantics
   // TODO(rbyers): remove this - http://crbug.com/676837
   class CORE_EXPORT LegacyCounter {
    public:
     LegacyCounter();
     ~LegacyCounter();
     void countFeature(Feature);
     void countCSS(CSSPropertyID);
     void updateMeasurements();
 
    private:
     // Tracks what features/properties need to be reported to the legacy
     // histograms.
     BitVector m_featureBits;
     BitVector m_CSSBits;
   } m_legacyCounter;
 };
 
 }  // namespace blink
 
 #endif  // UseCounter_h