Revert of Refactoring activity logger.

Source/core/html/HTMLLinkElement.cpp

Index: Source/core/html/HTMLLinkElement.cpp
diff --git a/Source/core/html/HTMLLinkElement.cpp b/Source/core/html/HTMLLinkElement.cpp
index 99624489fabad5b929db12a74f0f7905310fa3fb..a804b1a1d8ed6e99a4f928b380f99187838ed03a 100644
--- a/Source/core/html/HTMLLinkElement.cpp
+++ b/Source/core/html/HTMLLinkElement.cpp
@@ -453,22 +453,6 @@
     HTMLElement::trace(visitor);
 }
 
-void HTMLLinkElement::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("link");
-            argv.append(hrefAttr.toString());
-            argv.append(oldValue);
-            argv.append(newValue);
-            activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
-        }
-    }
-    HTMLElement::attributeWillChange(name, oldValue, newValue);
-}
-
 PassOwnPtrWillBeRawPtr<LinkStyle> LinkStyle::create(HTMLLinkElement* owner)
 {
     return adoptPtrWillBeNoop(new LinkStyle(owner));