Remove HistogramSupport abstraction layer

Source/modules/websockets/WebSocketHandshake.cpp

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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.
@@ skipping 20 matching lines @@
 
 #include "config.h"
 
 #include "modules/websockets/WebSocketHandshake.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/CookieJar.h"
 #include "core/platform/Cookie.h"
-#include "core/platform/HistogramSupport.h"
 #include "modules/websockets/WebSocket.h"
 #include "platform/Logging.h"
 #include "platform/network/HTTPHeaderMap.h"
 #include "platform/network/HTTPParsers.h"
+#include "public/platform/Platform.h"
 #include "weborigin/KURL.h"
 #include "weborigin/SecurityOrigin.h"
 #include "wtf/CryptographicallyRandomNumber.h"
 #include "wtf/SHA1.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/StringExtras.h"
 #include "wtf/Vector.h"
 #include "wtf/text/Base64.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
@@ skipping 85 matching lines @@
     , m_secure(m_url.protocolIs("wss"))
     , m_context(context)
     , m_mode(Incomplete)
 {
     m_secWebSocketKey = generateSecWebSocketKey();
     m_expectedAccept = getExpectedWebSocketAccept(m_secWebSocketKey);
 }
 
 WebSocketHandshake::~WebSocketHandshake()
 {
-    HistogramSupport::histogramEnumeration("WebCore.WebSocket.HandshakeResult", m_mode, WebSocketHandshake::ModeMax);
+    WebKit::Platform::current()->histogramEnumeration("WebCore.WebSocket.HandshakeResult", m_mode, WebSocketHandshake::ModeMax);
 }
 
 const KURL& WebSocketHandshake::url() const
 {
     return m_url;
 }
 
 void WebSocketHandshake::setURL(const KURL& url)
 {
     m_url = url.copy();
@@ skipping 423 matching lines @@
         }
         if (!match) {
             m_failureReason = formatHandshakeFailureReason("Sent non-empty 'Sec-WebSocket-Protocol' header but no response is received");
             return false;
         }
     }
     return true;
 }
 
 } // namespace WebCore