[DevTools] Typed events and event listeners.

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

Index: third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js b/third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js
index 7ecc659634d7aec294f548a7578a23932d99f8ed..63c7bf570a0195cc155c696ac5cbf1b501158215 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.js
@@ -61,10 +61,7 @@ Sources.TabbedEditorContainer = class extends Common.Object {
     this._tabbedPane.addEventListener(UI.TabbedPane.Events.TabClosed, this._tabClosed, this);
     this._tabbedPane.addEventListener(UI.TabbedPane.Events.TabSelected, this._tabSelected, this);
 
-    Persistence.persistence.addEventListener(
-        Persistence.Persistence.Events.BindingCreated, this._onBindingCreated, this);
-    Persistence.persistence.addEventListener(
-        Persistence.Persistence.Events.BindingRemoved, this._onBindingRemoved, this);
+    Persistence.persistence.addEventListener(Persistence.Persistence.BindingChangedEvent, this._onBindingChanged, this);
 
     this._tabIds = new Map();
     this._files = {};
@@ -74,10 +71,19 @@ Sources.TabbedEditorContainer = class extends Common.Object {
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Persistence.Persistence.BindingChangedEvent} event
+   */
+  _onBindingChanged(event) {
+    if (event.created)
+      this._onBindingCreated(event.binding);
+    else
+      this._onBindingRemoved(event.binding);
+  }
+
+  /**
+   * @param {!Persistence.PersistenceBinding} binding
    */
-  _onBindingCreated(event) {
-    var binding = /** @type {!Persistence.PersistenceBinding} */ (event.data);
+  _onBindingCreated(binding) {
     this._updateFileTitle(binding.network);
 
     var networkTabId = this._tabIds.get(binding.network);
@@ -105,10 +111,9 @@ Sources.TabbedEditorContainer = class extends Common.Object {
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Persistence.PersistenceBinding} binding
    */
-  _onBindingRemoved(event) {
-    var binding = /** @type {!Persistence.PersistenceBinding} */ (event.data);
+  _onBindingRemoved(binding) {
     this._updateFileTitle(binding.network);
 
     var networkTabId = this._tabIds.get(binding.network);