Remove HistogramSupport abstraction layer

Source/core/page/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
@@ skipping 16 matching lines @@
 #include "config.h"
 #include "core/page/UseCounter.h"
 
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/DOMWindow.h"
 #include "core/page/Page.h"
 #include "core/page/PageConsole.h"
-#include "core/platform/HistogramSupport.h"
+#include "public/platform/Platform.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 static int totalPagesMeasuredCSSSampleId() { return 1; }
 
 // FIXME : This mapping should be autogenerated. This function should
 //         be moved to a separate file and a script run at build time
 //         to detect new values in CSSPropertyID and add them to the
 //         end of this function. This file would be checked in.
@@ skipping 474 matching lines @@
 
 UseCounter::UseCounter()
 {
     m_CSSFeatureBits.ensureSize(lastCSSProperty + 1);
     m_CSSFeatureBits.clearAll();
 }
 
 UseCounter::~UseCounter()
 {
     // We always log PageDestruction so that we have a scale for the rest of the features.
-    HistogramSupport::histogramEnumeration("WebCore.FeatureObserver", PageDestruction, NumberOfFeatures);
+    WebKit::Platform::current()->histogramEnumeration("WebCore.FeatureObserver", PageDestruction, NumberOfFeatures);
 
     updateMeasurements();
 }
 
 void UseCounter::updateMeasurements()
 {
-    HistogramSupport::histogramEnumeration("WebCore.FeatureObserver", PageVisits, NumberOfFeatures);
+    WebKit::Platform::current()->histogramEnumeration("WebCore.FeatureObserver", PageVisits, NumberOfFeatures);
 
     if (m_countBits) {
         for (unsigned i = 0; i < NumberOfFeatures; ++i) {
             if (m_countBits->quickGet(i))
-                HistogramSupport::histogramEnumeration("WebCore.FeatureObserver", i, NumberOfFeatures);
+                WebKit::Platform::current()->histogramEnumeration("WebCore.FeatureObserver", i, NumberOfFeatures);
         }
         // Clearing count bits is timing sensitive.
         m_countBits->clearAll();
     }
 
     // FIXME: Sometimes this function is called more than once per page. The following
     //        bool guards against incrementing the page count when there are no CSS
     //        bits set. http://crbug.com/236262.
     bool needsPagesMeasuredUpdate = false;
     for (int i = firstCSSProperty; i <= lastCSSProperty; ++i) {
         if (m_CSSFeatureBits.quickGet(i)) {
             int cssSampleId = mapCSSPropertyIdToCSSSampleIdForHistogram(i);
-            HistogramSupport::histogramEnumeration("WebCore.FeatureObserver.CSSProperties", cssSampleId, maximumCSSSampleId());
+            WebKit::Platform::current()->histogramEnumeration("WebCore.FeatureObserver.CSSProperties", cssSampleId, maximumCSSSampleId());
             needsPagesMeasuredUpdate = true;
         }
     }
 
     if (needsPagesMeasuredUpdate)
-        HistogramSupport::histogramEnumeration("WebCore.FeatureObserver.CSSProperties", totalPagesMeasuredCSSSampleId(), maximumCSSSampleId());
+        WebKit::Platform::current()->histogramEnumeration("WebCore.FeatureObserver.CSSProperties", totalPagesMeasuredCSSSampleId(), maximumCSSSampleId());
 
     m_CSSFeatureBits.clearAll();
 }
 
 void UseCounter::didCommitLoad()
 {
     updateMeasurements();
 }
 
 void UseCounter::count(const Document& document, Feature feature)
@@ skipping 148 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        http://crbug.com/242125
     if (sheetContents && !sheetContents->isUserStyleSheet() && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace WebCore