Adds AL logging for Blink core events.

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 f36b9200c1892400d20bda6a7233268153bde053..7c1094409a8ce7d2d8ff8285eca9d3d254dc6171 100644
--- a/Source/core/html/HTMLLinkElement.cpp
+++ b/Source/core/html/HTMLLinkElement.cpp
@@ -26,6 +26,7 @@
 #include "core/html/HTMLLinkElement.h"
 
 #include "bindings/v8/ScriptEventListener.h"
+#include "bindings/v8/V8DOMActivityLogger.h"
 #include "core/HTMLNames.h"
 #include "core/css/MediaList.h"
 #include "core/css/MediaQueryEvaluator.h"
@@ -260,6 +261,16 @@ void HTMLLinkElement::enableIfExitTransitionStyle()
 
 Node::InsertionNotificationRequest HTMLLinkElement::insertedInto(ContainerNode* insertionPoint)
 {
+    if (insertionPoint->isInTreeScope()) {
+        V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld();
+        if (activityLogger) {
+            Vector<String> argv;
+            argv.append("link");
+            argv.append(fastGetAttribute(relAttr));
+            argv.append(fastGetAttribute(hrefAttr));
+            activityLogger->logEvent("blinkAddElement", 3, argv.data());
+        }
+    }
     HTMLElement::insertedInto(insertionPoint);
     if (!insertionPoint->inDocument())
         return InsertionDone;