Refactoring activity logger.

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index a49f0f75f138df11234fe0524b711c98610ed97d..51c4fd0ef83fef4602c59a246282e813829fc202 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -616,6 +616,22 @@ void HTMLInputElement::collectStyleForPresentationAttribute(const QualifiedName&
         HTMLTextFormControlElement::collectStyleForPresentationAttribute(name, value, style);
 }
 
+void HTMLInputElement::attributeWillChange(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& newValue)
+{
+    if (name == formactionAttr && inDocument()) {
+        V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld();
+        if (activityLogger) {
+            Vector<String> argv;
+            argv.append("input");
+            argv.append(formactionAttr.toString());
+            argv.append(oldValue);
+            argv.append(newValue);
+            activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
+        }
+    }
+    HTMLTextFormControlElement::attributeWillChange(name, oldValue, newValue);
+}
+
 void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == nameAttr) {