Refactoring activity logger.

Source/core/html/HTMLAnchorElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 142 matching lines @@
 }
 
 void HTMLAnchorElement::setActive(bool down)
 {
     if (rendererIsEditable())
         return;
 
     ContainerNode::setActive(down);
 }
 
+void HTMLAnchorElement::attributeWillChange(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& newValue)
+{
+    if (name == hrefAttr && inDocument()) {
+        V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld();
+        if (activityLogger) {
+            Vector<String> argv;
+            argv.append("a");
+            argv.append(hrefAttr.toString());
+            argv.append(oldValue);
+            argv.append(newValue);
+            activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
+        }
+    }
+    HTMLElement::attributeWillChange(name, oldValue, newValue);
+}
+
 void HTMLAnchorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == hrefAttr) {
         bool wasLink = isLink();
         setIsLink(!value.isNull());
         if (wasLink != isLink()) {
             didAffectSelector(AffectedSelectorLink | AffectedSelectorVisited | AffectedSelectorEnabled);
             if (wasLink && treeScope().adjustedFocusedElement() == this) {
                 // We might want to call blur(), but it's dangerous to dispatch
                 // events here.
@@ skipping 193 matching lines @@
             Vector<String> argv;
             argv.append("a");
             argv.append(fastGetAttribute(hrefAttr));
             activityLogger->logEvent("blinkAddElement", argv.size(), argv.data());
         }
     }
     return HTMLElement::insertedInto(insertionPoint);
 }
 
 }