[DevTools] Typed events and event listeners.

third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js

 /*
  * Copyright (C) 2012 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 41 matching lines @@
     this._uiSourceCode.addEventListener(
         Workspace.UISourceCode.Events.WorkingCopyChanged, this._onWorkingCopyChanged, this);
     this._uiSourceCode.addEventListener(
         Workspace.UISourceCode.Events.WorkingCopyCommitted, this._onWorkingCopyCommitted, this);
     this._uiSourceCode.addEventListener(Workspace.UISourceCode.Events.MessageAdded, this._onMessageAdded, this);
     this._uiSourceCode.addEventListener(Workspace.UISourceCode.Events.MessageRemoved, this._onMessageRemoved, this);
     this._uiSourceCode.addEventListener(
         Workspace.UISourceCode.Events.LineDecorationAdded, this._onLineDecorationAdded, this);
     this._uiSourceCode.addEventListener(
         Workspace.UISourceCode.Events.LineDecorationRemoved, this._onLineDecorationRemoved, this);
-    Persistence.persistence.addEventListener(
-        Persistence.Persistence.Events.BindingCreated, this._onBindingChanged, this);
-    Persistence.persistence.addEventListener(
-        Persistence.Persistence.Events.BindingRemoved, this._onBindingChanged, this);
+    Persistence.persistence.addEventListener(Persistence.Persistence.BindingChangedEvent, this._onBindingChanged, this);
 
     this.textEditor.addEventListener(
         SourceFrame.SourcesTextEditor.Events.EditorBlurred,
         () => UI.context.setFlavor(Sources.UISourceCodeFrame, null));
     this.textEditor.addEventListener(
         SourceFrame.SourcesTextEditor.Events.EditorFocused,
         () => UI.context.setFlavor(Sources.UISourceCodeFrame, this));
 
     this._updateStyle();
 
@@ skipping 125 matching lines @@
   _onWorkingCopyCommitted(event) {
     if (!this._muteSourceCodeEvents) {
       this._innerSetContent(this._uiSourceCode.workingCopy());
       this.onUISourceCodeContentChanged();
     }
     this._textEditor.markClean();
     this._updateStyle();
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Persistence.Persistence.BindingChangedEvent} event
    */
   _onBindingChanged(event) {
-    var binding = /** @type {!Persistence.PersistenceBinding} */ (event.data);
-    if (binding.network === this._uiSourceCode || binding.fileSystem === this._uiSourceCode)
+    if (event.binding.network === this._uiSourceCode || event.binding.fileSystem === this._uiSourceCode)
       this._updateStyle();
   }
 
   _updateStyle() {
     this.element.classList.toggle(
         'source-frame-unsaved-committed-changes',
         Persistence.persistence.hasUnsavedCommittedChanges(this._uiSourceCode));
     this.setEditable(!this._canEditSource());
   }
 
@@ skipping 427 matching lines @@
 
 /**
  * @param {!Workspace.UISourceCode.Message} a
  * @param {!Workspace.UISourceCode.Message} b
  * @return {number}
  */
 Workspace.UISourceCode.Message.messageLevelComparator = function(a, b) {
   return Workspace.UISourceCode.Message._messageLevelPriority[a.level()] -
       Workspace.UISourceCode.Message._messageLevelPriority[b.level()];
 };