DevTools: use semicolons after each statement.

third_party/WebKit/Source/devtools/front_end/extensions/ExtensionTraceProvider.js

 /**
  * @constructor
  * @param {string} extensionOrigin
  * @param {string} id
  * @param {string} categoryName
  * @param {string} categoryTooltip
  */
 WebInspector.ExtensionTraceProvider = function(extensionOrigin, id, categoryName, categoryTooltip)
 {
     this._extensionOrigin = extensionOrigin;
     this._id = id;
     this._categoryName = categoryName;
     this._categoryTooltip = categoryTooltip;
-}
+};
 
 WebInspector.ExtensionTraceProvider.prototype = {
     start: function()
     {
         WebInspector.extensionServer.startTraceRecording(this._id);
     },
 
     stop: function()
     {
         WebInspector.extensionServer.stopTraceRecording(this._id);
     }
-}
+};