Expose UseCounter::Feature enum out of blink as WebFeature

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

 /*
  * 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 1096 matching lines @@
       animated_css_recorded_(numCSSPropertyIDs) {}
 
 void UseCounter::MuteForInspector() {
   mute_count_++;
 }
 
 void UseCounter::UnmuteForInspector() {
   mute_count_--;
 }
 
-void UseCounter::RecordMeasurement(Feature feature) {
+void UseCounter::RecordMeasurement(WebFeature feature) {
   if (mute_count_)
     return;
 
   // PageDestruction is reserved as a scaling factor.
-  DCHECK_NE(kOBSOLETE_PageDestruction, feature);
-  DCHECK_NE(kPageVisits, feature);
-  DCHECK_GE(kNumberOfFeatures, feature);
+  DCHECK_NE(WebFeature::kOBSOLETE_PageDestruction, feature);
+  DCHECK_NE(WebFeature::kPageVisits, feature);
+  DCHECK_GE(WebFeature::kNumberOfFeatures, feature);
 
-  if (!features_recorded_.QuickGet(feature)) {
+  int feature_id = static_cast<int>(feature);
+  if (!features_recorded_.QuickGet(feature_id)) {
     // Note that HTTPArchive tooling looks specifically for this event - see
     // https://github.com/HTTPArchive/httparchive/issues/59
     if (context_ != kDisabledContext) {
       TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("blink.feature_usage"),
-                   "FeatureFirstUsed", "feature", feature);
-      FeaturesHistogram().Count(feature);
+                   "FeatureFirstUsed", "feature", feature_id);
+      FeaturesHistogram().Count(feature_id);
       NotifyFeatureCounted(feature);
     }
-    features_recorded_.QuickSet(feature);
+    features_recorded_.QuickSet(feature_id);
   }
   legacy_counter_.CountFeature(feature);
 }
 
-bool UseCounter::HasRecordedMeasurement(Feature feature) const {
+bool UseCounter::HasRecordedMeasurement(WebFeature feature) const {
   if (mute_count_)
     return false;
 
   // PageDestruction is reserved as a scaling factor.
-  DCHECK_NE(kOBSOLETE_PageDestruction, feature);
-  DCHECK_NE(kPageVisits, feature);
-  DCHECK_GE(kNumberOfFeatures, feature);
+  DCHECK_NE(WebFeature::kOBSOLETE_PageDestruction, feature);
+  DCHECK_NE(WebFeature::kPageVisits, feature);
+  DCHECK_GE(WebFeature::kNumberOfFeatures, feature);
 
-  return features_recorded_.QuickGet(feature);
+  return features_recorded_.QuickGet(static_cast<int>(feature));
 }
 
 DEFINE_TRACE(UseCounter) {
   visitor->Trace(observers_);
 }
 
 void UseCounter::DidCommitLoad(KURL url) {
   legacy_counter_.UpdateMeasurements();
 
   // Reset state from previous load.
@@ skipping 14 matching lines @@
   animated_css_recorded_.ClearAll();
   if (context_ != kDisabledContext && !mute_count_) {
     FeaturesHistogram().Count(kPageVisits);
     if (context_ != kExtensionContext) {
       CssHistogram().Count(totalPagesMeasuredCSSSampleId());
       AnimatedCSSHistogram().Count(totalPagesMeasuredCSSSampleId());
     }
   }
 }
 
-void UseCounter::Count(const LocalFrame* frame, Feature feature) {
+void UseCounter::Count(const LocalFrame* frame, WebFeature feature) {
   if (!frame)
     return;
   Page* page = frame->GetPage();
   if (!page)
     return;
 
   page->GetUseCounter().Count(feature, frame);
 }
 
-void UseCounter::Count(const Document& document, Feature feature) {
+void UseCounter::Count(const Document& document, WebFeature feature) {
   Count(document.GetFrame(), feature);
 }
 
 bool UseCounter::IsCounted(Document& document, Feature feature) {
   Page* page = document.GetPage();
   if (!page)
     return false;
   return page->GetUseCounter().HasRecordedMeasurement(feature);
 }
 
@@ skipping 10 matching lines @@
   Page* page = document.GetPage();
   if (!page)
     return false;
 
   CSSPropertyID unresolved_property = unresolvedCSSPropertyID(string);
   if (unresolved_property == CSSPropertyInvalid)
     return false;
   return page->GetUseCounter().IsCounted(unresolved_property);
 }
 
-void UseCounter::Count(ExecutionContext* context, Feature feature) {
+void UseCounter::Count(ExecutionContext* context, WebFeature feature) {
   if (!context)
     return;
   if (context->IsDocument()) {
     Count(*ToDocument(context), feature);
     return;
   }
-  if (context->IsWorkerOrWorkletGlobalScope())
-    ToWorkerOrWorkletGlobalScope(context)->CountFeature(feature);
+  if (context->IsWorkerOrWorkletGlobalScope()) {
+    ToWorkerOrWorkletGlobalScope(context)->CountFeature(
+        static_cast<Feature>(feature));
+  }
 }
 
 void UseCounter::CountCrossOriginIframe(const Document& document,
                                         Feature feature) {
   LocalFrame* frame = document.GetFrame();
   if (frame && frame->IsCrossOriginSubframe())
     Count(frame, feature);
 }
 
 void UseCounter::Count(CSSParserMode css_parser_mode, CSSPropertyID property) {
   DCHECK(isCSSPropertyIDWithName(property) || property == CSSPropertyVariable);
 
   if (!IsUseCounterEnabledForMode(css_parser_mode) || mute_count_)
     return;
 
   if (!css_recorded_.QuickGet(property)) {
     // Note that HTTPArchive tooling looks specifically for this event - see
     // https://github.com/HTTPArchive/httparchive/issues/59
     int sample_id = MapCSSPropertyIdToCSSSampleIdForHistogram(property);
     if (context_ != kDisabledContext && context_ != kExtensionContext) {
       TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("blink.feature_usage"),
                    "CSSFirstUsed", "feature", sample_id);
       CssHistogram().Count(sample_id);
     }
     css_recorded_.QuickSet(property);
   }
   legacy_counter_.CountCSS(property);
 }
 
-void UseCounter::Count(Feature feature, const LocalFrame* source_frame) {
+void UseCounter::Count(WebFeature feature, const LocalFrame* source_frame) {
   // TODO(rbyers): Report UseCounter to browser process along with page
   // load metrics for sourceFrame  crbug.com/716565
   RecordMeasurement(feature);
 }
 
 bool UseCounter::IsCountedAnimatedCSS(CSSPropertyID unresolved_property) {
   return animated_css_recorded_.QuickGet(unresolved_property);
 }
 
 bool UseCounter::IsCountedAnimatedCSS(Document& document,
@@ skipping 27 matching lines @@
     int sample_id = MapCSSPropertyIdToCSSSampleIdForHistogram(property);
     if (context_ != kDisabledContext && context_ != kExtensionContext) {
       TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("blink.feature_usage"),
                    "AnimatedCSSFirstUsed", "feature", sample_id);
       AnimatedCSSHistogram().Count(sample_id);
     }
     animated_css_recorded_.QuickSet(property);
   }
 }
 
-void UseCounter::NotifyFeatureCounted(Feature feature) {
+void UseCounter::NotifyFeatureCounted(WebFeature feature) {
   DCHECK(!mute_count_);
   DCHECK_NE(kDisabledContext, context_);
   HeapHashSet<Member<Observer>> to_be_removed;
   for (auto observer : observers_) {
     if (observer->OnCountFeature(feature))
       to_be_removed.insert(observer);
   }
   observers_.RemoveAll(to_be_removed);
 }
 
@@ skipping 66 matching lines @@
 UseCounter::LegacyCounter::LegacyCounter()
     : feature_bits_(kNumberOfFeatures), css_bits_(numCSSPropertyIDs) {}
 
 UseCounter::LegacyCounter::~LegacyCounter() {
   // PageDestruction was intended to be used as a scale, but it's broken (due to
   // fast shutdown).  See https://crbug.com/597963.
   FeatureObserverHistogram().Count(kOBSOLETE_PageDestruction);
   UpdateMeasurements();
 }
 
-void UseCounter::LegacyCounter::CountFeature(Feature feature) {
-  feature_bits_.QuickSet(feature);
+void UseCounter::LegacyCounter::CountFeature(WebFeature feature) {
+  feature_bits_.QuickSet(static_cast<int>(feature));
 }
 
 void UseCounter::LegacyCounter::CountCSS(CSSPropertyID property) {
   css_bits_.QuickSet(property);
 }
 
 void UseCounter::LegacyCounter::UpdateMeasurements() {
   EnumerationHistogram& feature_histogram = FeatureObserverHistogram();
   feature_histogram.Count(kPageVisits);
   for (size_t i = 0; i < kNumberOfFeatures; ++i) {
@@ skipping 19 matching lines @@
     }
   }
 
   if (needs_pages_measured_update)
     css_properties_histogram.Count(totalPagesMeasuredCSSSampleId());
 
   css_bits_.ClearAll();
 }
 
 }  // namespace blink