DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/common/Progress.js

Index: third_party/WebKit/Source/devtools/front_end/common/Progress.js
diff --git a/third_party/WebKit/Source/devtools/front_end/common/Progress.js b/third_party/WebKit/Source/devtools/front_end/common/Progress.js
index 65e01c4adcf234418da8b1433a9f9b266a96e3ab..c6c487b2519444546a91205bf8e3b865848e65ab 100644
--- a/third_party/WebKit/Source/devtools/front_end/common/Progress.js
+++ b/third_party/WebKit/Source/devtools/front_end/common/Progress.js
@@ -36,30 +36,30 @@ Common.Progress.prototype = {
   /**
    * @param {number} totalWork
    */
-  setTotalWork: function(totalWork) {},
+  setTotalWork(totalWork) {},
 
   /**
    * @param {string} title
    */
-  setTitle: function(title) {},
+  setTitle(title) {},
 
   /**
    * @param {number} worked
    * @param {string=} title
    */
-  setWorked: function(worked, title) {},
+  setWorked(worked, title) {},
 
   /**
    * @param {number=} worked
    */
-  worked: function(worked) {},
+  worked(worked) {},
 
-  done: function() {},
+  done() {},
 
   /**
    * @return {boolean}
    */
-  isCanceled: function() {
+  isCanceled() {
     return false;
   },
 };