[DevTools] Remove Common.Event.target field.

third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 162 matching lines @@
    * @param {!Common.ResourceType=} contentType
    */
   _updateName(name, url, contentType) {
     var oldURL = this.url();
     this._url = this._url.substring(0, this._url.length - this._name.length) + name;
     this._name = name;
     if (url)
       this._url = url;
     if (contentType)
       this._contentType = contentType;
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.TitleChanged, oldURL);
+    this.dispatchEventToListeners(Workspace.UISourceCode.Events.TitleChanged, this);
   }
 
   /**
    * @override
    * @return {string}
    */
   contentURL() {
     return this.url();
   }
 
@@ skipping 146 matching lines @@
     this._content = content;
     this._contentLoaded = true;
 
     var lastRevision = this.history.length ? this.history[this.history.length - 1] : null;
     if (!lastRevision || lastRevision._content !== this._content) {
       var revision = new Workspace.Revision(this, this._content, new Date());
       this.history.push(revision);
     }
 
     this._innerResetWorkingCopy();
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyCommitted, {content: content});
+    this.dispatchEventToListeners(
+        Workspace.UISourceCode.Events.WorkingCopyCommitted, {uiSourceCode: this, content: content});
     this._project.workspace().dispatchEventToListeners(
         Workspace.Workspace.Events.WorkingCopyCommitted, {uiSourceCode: this, content: content});
     if (committedByUser) {
       this._project.workspace().dispatchEventToListeners(
           Workspace.Workspace.Events.WorkingCopyCommittedByUser, {uiSourceCode: this, content: content});
     }
   }
 
   saveAs() {
     Workspace.fileManager.save(this._url, this.workingCopy(), true, callback.bind(this));
@@ skipping 88 matching lines @@
     this._workingCopyChanged();
   }
 
   setWorkingCopyGetter(workingCopyGetter) {
     this._workingCopyGetter = workingCopyGetter;
     this._workingCopyChanged();
   }
 
   _workingCopyChanged() {
     this._removeAllMessages();
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
+    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged, this);
     this._project.workspace().dispatchEventToListeners(
         Workspace.Workspace.Events.WorkingCopyChanged, {uiSourceCode: this});
   }
 
   removeWorkingCopyGetter() {
     if (!this._workingCopyGetter)
       return;
     this._workingCopy = this._workingCopyGetter();
     delete this._workingCopyGetter;
   }
@@ skipping 469 matching lines @@
 Workspace.UISourceCodeMetadata = class {
   /**
    * @param {?Date} modificationTime
    * @param {?number} contentSize
    */
   constructor(modificationTime, contentSize) {
     this.modificationTime = modificationTime;
     this.contentSize = contentSize;
   }
 };