Revert of Refactoring activity logger.

Source/core/html/HTMLFormElement.cpp

Index: Source/core/html/HTMLFormElement.cpp
diff --git a/Source/core/html/HTMLFormElement.cpp b/Source/core/html/HTMLFormElement.cpp
index b3889e115317b876c437956ef84a0e646f5c2807..40f96adc185cff717a97f8cb035c35ea95752c5b 100644
--- a/Source/core/html/HTMLFormElement.cpp
+++ b/Source/core/html/HTMLFormElement.cpp
@@ -520,22 +520,6 @@
         HTMLElement::parseAttribute(name, value);
 }
 
-void HTMLFormElement::attributeWillChange(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& newValue)
-{
-    if (name == actionAttr && inDocument()) {
-        V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld();
-        if (activityLogger) {
-            Vector<String> argv;
-            argv.append("form");
-            argv.append(actionAttr.toString());
-            argv.append(oldValue);
-            argv.append(newValue);
-            activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
-        }
-    }
-    HTMLElement::attributeWillChange(name, oldValue, newValue);
-}
-
 void HTMLFormElement::associate(FormAssociatedElement& e)
 {
     m_associatedElementsAreDirty = true;