Revert of Refactoring activity logger.

Source/core/html/HTMLIFrameElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Ericsson AB. 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 52 matching lines @@
         // LocalFrame border doesn't really match the HTML4 spec definition for iframes. It simply adds
         // a presentational hint that the border should be off if set to zero.
         if (!value.toInt()) {
             // Add a rule that nulls out our border width.
             addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, 0, CSSPrimitiveValue::CSS_PX);
         }
     } else
         HTMLFrameElementBase::collectStyleForPresentationAttribute(name, value, style);
 }
 
-void HTMLIFrameElement::attributeWillChange(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& newValue)
-{
-    if (name == srcAttr && inDocument()) {
-        V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld();
-        if (activityLogger) {
-            Vector<String> argv;
-            argv.append("iframe");
-            argv.append(srcAttr.toString());
-            argv.append(oldValue);
-            argv.append(newValue);
-            activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
-        }
-    }
-    HTMLFrameElementBase::attributeWillChange(name, oldValue, newValue);
-}
-
 void HTMLIFrameElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == nameAttr) {
         if (inDocument() && document().isHTMLDocument() && !isInShadowTree()) {
             HTMLDocument& document = toHTMLDocument(this->document());
             document.removeExtraNamedItem(m_name);
             document.addExtraNamedItem(value);
         }
         m_name = value;
     } else if (name == sandboxAttr) {
@@ skipping 39 matching lines @@
     if (insertionPoint->inDocument() && document().isHTMLDocument() && !insertionPoint->isInShadowTree())
         toHTMLDocument(document()).removeExtraNamedItem(m_name);
 }
 
 bool HTMLIFrameElement::isInteractiveContent() const
 {
     return true;
 }
 
 }