DevTools: Clean up the Event Listeners pane data representation

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 1779 matching lines @@
     while (child) {
         children->addItem(buildObjectForNode(child, depth, nodesMap));
         child = innerNextSibling(child);
     }
     return children.release();
 }
 
 PassRefPtr<TypeBuilder::DOM::EventListener> InspectorDOMAgent::buildObjectForEventListener(const RegisteredEventListener& registeredEventListener, const AtomicString& eventType, Node* node, const String* objectGroupId)
 {
     RefPtr<EventListener> eventListener = registeredEventListener.listener;
-    String sourceName;
     String scriptId;
     int lineNumber;
     int columnNumber;
-    if (!eventListenerHandlerLocation(&node->document(), eventListener.get(), sourceName, scriptId, lineNumber, columnNumber))
+    if (!eventListenerHandlerLocation(&node->document(), eventListener.get(), scriptId, lineNumber, columnNumber))
         return nullptr;
 
     Document& document = node->document();
     RefPtr<TypeBuilder::Debugger::Location> location = TypeBuilder::Debugger::Location::create()
         .setScriptId(scriptId)
         .setLineNumber(lineNumber);
     location->setColumnNumber(columnNumber);
     RefPtr<TypeBuilder::DOM::EventListener> value = TypeBuilder::DOM::EventListener::create()
         .setType(eventType)
         .setUseCapture(registeredEventListener.useCapture)
@@ skipping 10 matching lines @@
                 if (scriptState) {
                     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(scriptState);
                     if (!injectedScript.isEmpty()) {
                         RefPtr<TypeBuilder::Runtime::RemoteObject> valueJson = injectedScript.wrapObject(functionValue, *objectGroupId);
                         value->setHandler(valueJson);
                     }
                 }
             }
         }
     }
-    if (!sourceName.isEmpty())
-        value->setSourceName(sourceName);
     return value.release();
 }
 
 PassRefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > InspectorDOMAgent::buildArrayForPseudoElements(Element* element, NodeToIdMap* nodesMap)
 {
     if (!element->pseudoElement(BEFORE) && !element->pseudoElement(AFTER))
         return nullptr;
 
     RefPtr<TypeBuilder::Array<TypeBuilder::DOM::Node> > pseudoElements = TypeBuilder::Array<TypeBuilder::DOM::Node>::create();
     if (element->pseudoElement(BEFORE))
@@ skipping 460 matching lines @@
     visitor->trace(m_revalidateTask);
     visitor->trace(m_searchResults);
 #endif
     visitor->trace(m_history);
     visitor->trace(m_domEditor);
     visitor->trace(m_listener);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink