DevTools: use shorthand syntax in interface definitions.

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 625 matching lines @@
   /**
    * @return {!Array<!Workspace.UISourceCode.LineMarker>}
    */
   allDecorations() {
     return this._decorations.valuesArray();
   }
 
   removeAllDecorations() {
     var decorationList = this._decorations.valuesArray();
     this._decorations.clear();
-    decorationList.forEach(marker =>
-        this.dispatchEventToListeners(Workspace.UISourceCode.Events.LineDecorationRemoved, marker));
+    decorationList.forEach(
+        marker => this.dispatchEventToListeners(Workspace.UISourceCode.Events.LineDecorationRemoved, marker));
   }
 
   /**
    * @param {string} type
    * @return {!Set<!Workspace.UISourceCode.LineMarker>}
    */
   decorationsForType(type) {
     return this._decorations.get(type);
   }
 };
@@ skipping 285 matching lines @@
 Workspace.UISourceCodeMetadata = class {
   /**
    * @param {?Date} modificationTime
    * @param {?number} contentSize
    */
   constructor(modificationTime, contentSize) {
     this.modificationTime = modificationTime;
     this.contentSize = contentSize;
   }
 };