Make UseCounter take a LocaFrame instead of any Frame

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 1163 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 Frame* frame, Feature feature) {
+void UseCounter::Count(const LocalFrame* frame, Feature feature) {
   if (!frame)
     return;
   Page* page = frame->GetPage();
   if (!page)
     return;
 
   page->GetUseCounter().Count(feature);
 }
 
 void UseCounter::Count(const Document& document, Feature feature) {
@@ skipping 58 matching lines @@
     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) {
+void UseCounter::Count(Feature feature, const LocalFrame* sourceFrame) {

[dcheng, 2017/05/27 08:16:21]

Nit: source_frame

[Rick Byers, 2017/05/28 18:19:15]

Done, thanks

+  // 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,
                                       const String& string) {
   Page* page = document.GetPage();
@@ skipping 153 matching lines @@
     }
   }
 
   if (needs_pages_measured_update)
     css_properties_histogram.Count(totalPagesMeasuredCSSSampleId());
 
   css_bits_.ClearAll();
 }
 
 }  // namespace blink