Remove Enumeration Histograms from the Blink Platform API.

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

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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 48 matching lines @@
 #include "core/html/track/VideoTrackList.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/layout/LayoutVideo.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/NetworkStateNotifier.h"
 #include "platform/ContentType.h"
+#include "platform/Histogram.h"
 #include "platform/Logging.h"
 #include "platform/MIMETypeFromURL.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioSourceProviderClient.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/Platform.h"
@@ skipping 155 matching lines @@
     if (contentMIMEType != "application/octet-stream" || contentTypeCodecs.isEmpty()) {
         WebMimeRegistry::SupportsType supported = Platform::current()->mimeRegistry()->supportsMediaMIMEType(contentMIMEType, contentTypeCodecs, keySystem.lower());
         return supported > WebMimeRegistry::IsNotSupported;
     }
 
     return false;
 }
 
 void HTMLMediaElement::recordAutoplayMetric(AutoplayMetrics metric)
 {
-    Platform::current()->histogramEnumeration("Blink.MediaElement.Autoplay", metric, NumberOfAutoplayMetrics);
+    DEFINE_STATIC_LOCAL(EnumerationHistogram, autoplayHistogram, ("Blink.MediaElement.Autoplay", NumberOfAutoplayMetrics));
+    autoplayHistogram.count(metric);
 }
 
 WebMimeRegistry::SupportsType HTMLMediaElement::supportsType(const ContentType& contentType, const String& keySystem)
 {
     DEFINE_STATIC_LOCAL(const String, codecs, ("codecs"));
 
     if (!RuntimeEnabledFeatures::mediaEnabled())
         return WebMimeRegistry::IsNotSupported;
 
     String type = contentType.type().lower();
@@ skipping 3369 matching lines @@
 {
     visitor->trace(m_client);
 }
 
 DEFINE_TRACE(HTMLMediaElement::AudioSourceProviderImpl)
 {
     visitor->trace(m_client);
 }
 
 } // namespace blink