Remove Enumeration Histograms from the Blink Platform API.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 4037 matching lines @@
 }
 
 void WebViewImpl::didFinishMainFrameDocumentLoad()
 {
     resumeTreeViewCommitsIfRenderingReady();
 #if OS(ANDROID)
     if (!isInternalURL(mainFrameImpl()->frame()->document()->baseURL()) && page()->settings().usesEncodingDetector()) {
         const Document& document = *mainFrameImpl()->frame()->document();
 
         // "AutodetectEncoding.Attempted" is of boolean type - either 0 or 1. Use 2 for the boundary value.
-        Platform::current()->histogramEnumeration("AutodetectEncoding.Attempted", document.attemptedToDetermineEncodingFromContentSniffing(), 2);
+        DEFINE_STATIC_LOCAL(EnumerationHistogram, autoDetectAttemptedHistogram, ("AutodetectEncoding.Attempted", 2));
+        autoDetectAttemptedHistogram.count(document.attemptedToDetermineEncodingFromContentSniffing());
         if (document.encodingWasDetectedFromContentSniffing()) {
             int encodingId = encodingToUmaId(document.encoding());
-            Platform::current()->histogramEnumeration("AutodetectEncoding.Detected", encodingId, WTF_ARRAY_LENGTH(kEncodingNames) + 1);
+
+            DEFINE_STATIC_LOCAL(EnumerationHistogram, autoDetectDetectedHistogram, ("AutodetectEncoding.Detected", WTF_ARRAY_LENGTH(kEncodingNames) + 1));
+            autoDetectDetectedHistogram.count(encodingId);
         }
     }
 #endif
 }
 
 void WebViewImpl::didRemoveAllPendingStylesheetsInMainFrameDocument()
 {
     Document& document = *mainFrameImpl()->frame()->document();
 
     // For HTML if we have no more stylesheets to load and we're past the body
@@ skipping 561 matching lines @@
 {
     // TODO(oshima): Investigate if this should return the ScreenInfo's scale factor rather than
     // page's scale factor, which can be 1 in use-zoom-for-dsf mode.
     if (!page())
         return 1;
 
     return page()->deviceScaleFactor();
 }
 
 } // namespace blink