Remove Enumeration Histograms from the Blink Platform API.

third_party/WebKit/Source/core/css/RemoteFontFaceSource.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/RemoteFontFaceSource.h"
 
 #include "core/css/CSSCustomFontData.h"
 #include "core/css/CSSFontFace.h"
 #include "core/css/FontLoader.h"
 #include "core/page/NetworkStateNotifier.h"
 #include "platform/Histogram.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/SimpleFontData.h"
-#include "public/platform/Platform.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 RemoteFontFaceSource::RemoteFontFaceSource(FontResource* font, PassRefPtrWillBeRawPtr<FontLoader> fontLoader, FontDisplay display)
     : m_font(font)
     , m_fontLoader(fontLoader)
     , m_display(display)
     , m_period(display == FontDisplaySwap ? SwapPeriod : BlockPeriod)
     , m_isInterventionTriggered(false)
@@ skipping 202 matching lines @@
 {
     if (m_loadStartTime > 0 && font && !font->isLoading()) {
         int duration = static_cast<int>(currentTimeMS() - m_loadStartTime);
         recordLoadTimeHistogram(font, duration);
         m_loadStartTime = -1;
 
         enum { Miss, Hit, DataUrl, CacheHitEnumMax };
         int histogramValue = font->url().protocolIsData() ? DataUrl
             : font->response().wasCached() ? Hit
             : Miss;
-        Platform::current()->histogramEnumeration("WebFont.CacheHit", histogramValue, CacheHitEnumMax);
+        DEFINE_STATIC_LOCAL(EnumerationHistogram, cacheHitHistogram, ("WebFont.CacheHit", CacheHitEnumMax));
+        cacheHitHistogram.count(histogramValue);
 
         enum { CORSFail, CORSSuccess, CORSEnumMax };
         int corsValue = font->isCORSFailed() ? CORSFail : CORSSuccess;
-        Platform::current()->histogramEnumeration("WebFont.CORSSuccess", corsValue, CORSEnumMax);
+        DEFINE_STATIC_LOCAL(EnumerationHistogram, corsHistogram, ("WebFont.CORSSuccess", CORSEnumMax));
+        corsHistogram.count(corsValue);
     }
 }
 
 void RemoteFontFaceSource::FontLoadHistograms::recordLoadTimeHistogram(const FontResource* font, int duration)
 {
     if (font->errorOccurred()) {
         DEFINE_STATIC_LOCAL(CustomCountHistogram, loadErrorHistogram, ("WebFont.DownloadTime.LoadError", 0, 10000, 50));
         loadErrorHistogram.count(duration);
         return;
     }
@@ skipping 27 matching lines @@
 {
     if (!RuntimeEnabledFeatures::webFontsInterventionEnabled())
         return;
     // interventionResult takes 0-3 values.
     int interventionResult = 0;
     if (m_isLongLimitExceeded)
         interventionResult |= 1 << 0;
     if (triggered)
         interventionResult |= 1 << 1;
     const int boundary = 1 << 2;
-    Platform::current()->histogramEnumeration("WebFont.InterventionResult", interventionResult, boundary);
+
+    DEFINE_STATIC_LOCAL(EnumerationHistogram, interventionHistogram, ("WebFont.InterventionResult", boundary));
+    interventionHistogram.count(interventionResult);
 }
 
 } // namespace blink