Remove Enumeration Histograms from the Blink Platform API.

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 34 matching lines @@
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/CrossOriginAttribute.h"
 #include "core/html/LinkManifest.h"
 #include "core/html/imports/LinkImport.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/NetworkHintsInterface.h"
 #include "core/style/StyleInheritedData.h"
 #include "platform/ContentType.h"
+#include "platform/Histogram.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/RuntimeEnabledFeatures.h"
-#include "public/platform/Platform.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 template <typename CharacterType>
 static void parseSizes(const CharacterType* value, unsigned length, Vector<IntSize>& iconSizes)
 {
     enum State {
@@ skipping 459 matching lines @@
         removePendingSheet();
         if (m_sheet)
             clearSheet();
         return;
     }
     // Completing the sheet load may cause scripts to execute.
     RefPtrWillBeRawPtr<Node> protector(m_owner.get());
 
     CSSParserContext parserContext(m_owner->document(), 0, baseURL, charset);
 
+    DEFINE_STATIC_LOCAL(EnumerationHistogram, restoredCachedStyleSheetHistogram, ("Blink.RestoredCachedStyleSheet", 2));
+    DEFINE_STATIC_LOCAL(EnumerationHistogram, restoredCachedStyleSheet2Histogram, ("Blink.RestoredCachedStyleSheet2", StyleSheetCacheStatusCount));
+
     if (RefPtrWillBeRawPtr<StyleSheetContents> restoredSheet = const_cast<CSSStyleSheetResource*>(cachedStyleSheet)->restoreParsedStyleSheet(parserContext)) {
         ASSERT(restoredSheet->isCacheable());
         ASSERT(!restoredSheet->isLoading());
 
         if (m_sheet)
             clearSheet();
         m_sheet = CSSStyleSheet::create(restoredSheet, m_owner);
         m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media()));
         m_sheet->setTitle(m_owner->title());
         setCrossOriginStylesheetStatus(m_sheet.get());
 
         m_loading = false;
         restoredSheet->checkLoaded();
 
-        Platform::current()->histogramEnumeration("Blink.RestoredCachedStyleSheet", true, 2);
-        Platform::current()->histogramEnumeration("Blink.RestoredCachedStyleSheet2", StyleSheetInMemoryCache, StyleSheetCacheStatusCount);
+        restoredCachedStyleSheetHistogram.count(true);
+        restoredCachedStyleSheet2Histogram.count(StyleSheetInMemoryCache);
         return;
     }
-    Platform::current()->histogramEnumeration("Blink.RestoredCachedStyleSheet", false, 2);
+    restoredCachedStyleSheetHistogram.count(false);
     StyleSheetCacheStatus cacheStatus = cachedStyleSheet->response().wasCached() ? StyleSheetInDiskCache : StyleSheetNewEntry;
-    Platform::current()->histogramEnumeration("Blink.RestoredCachedStyleSheet2", cacheStatus, StyleSheetCacheStatusCount);
+    restoredCachedStyleSheet2Histogram.count(cacheStatus);
 
     RefPtrWillBeRawPtr<StyleSheetContents> styleSheet = StyleSheetContents::create(href, parserContext);
 
     if (m_sheet)
         clearSheet();
 
     m_sheet = CSSStyleSheet::create(styleSheet, m_owner);
     m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media()));
     m_sheet->setTitle(m_owner->title());
     setCrossOriginStylesheetStatus(m_sheet.get());
@@ skipping 220 matching lines @@
 }
 
 DEFINE_TRACE(LinkStyle)
 {
     visitor->trace(m_sheet);
     LinkResource::trace(visitor);
     ResourceOwner<StyleSheetResource>::trace(visitor);
 }
 
 } // namespace blink