[DevTools] Typed events and event listeners.

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

Index: third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js b/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
index 87688a3a0a9a6e830e1c1c4cae9887d10dc0cf2d..7ee40e2a71df82c812cc1a387fd55d340dd9d1e0 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.js
@@ -59,10 +59,7 @@ Sources.UISourceCodeFrame = class extends SourceFrame.SourceFrame {
         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,
@@ -208,11 +205,10 @@ Sources.UISourceCodeFrame = class extends SourceFrame.SourceFrame {
   }
 
   /**
-   * @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();
   }