DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/ui_lazy/TimelineGrid.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2009 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
@@ skipping 244 matching lines @@
 
 /**
  * @interface
  */
 UI.TimelineGrid.Calculator = function() {};
 
 UI.TimelineGrid.Calculator.prototype = {
   /**
    * @return {number}
    */
-  paddingLeft: function() {},
+  paddingLeft() {},
 
   /**
    * @param {number} time
    * @return {number}
    */
-  computePosition: function(time) {},
+  computePosition(time) {},
 
   /**
    * @param {number} time
    * @param {number=} precision
    * @return {string}
    */
-  formatValue: function(time, precision) {},
+  formatValue(time, precision) {},
 
   /** @return {number} */
-  minimumBoundary: function() {},
+  minimumBoundary() {},
 
   /** @return {number} */
-  zeroTime: function() {},
+  zeroTime() {},
 
   /** @return {number} */
-  maximumBoundary: function() {},
+  maximumBoundary() {},
 
   /** @return {number} */
-  boundarySpan: function() {}
+  boundarySpan() {}
 };