Print Preview: Fix top level directory compile errors

chrome/browser/resources/print_preview/metrics.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Object used to measure usage statistics.
    * @constructor
    */
-  function Metrics() {};
+  function Metrics() {}
 
   /**
    * Enumeration of buckets that a user can enter while using the destination
    * search widget.
    * @enum {number}
    */
   Metrics.DestinationSearchBucket = {
     // Used when the print destination search widget is shown.
     DESTINATION_SHOWN: 0,
     // Used when the user selects a print destination.
@@ skipping 75 matching lines @@
    * @param {string} histogram The name of the histogram to be recorded in.
    * @param {number} maxBucket The max value for the last histogram bucket.
    * @constructor
    */
   function MetricsContext(histogram, maxBucket) {
     /** @private {string} */
     this.histogram_ = histogram;
 
     /** @private {number} */
     this.maxBucket_ = maxBucket;
-  };
+  }
 
   MetricsContext.prototype = {
     /**
      * Record a histogram value in UMA. If specified value is larger than the
      * max bucket value, record the value in the largest bucket
      * @param {number} bucket Value to record.
      */
     record: function(bucket) {
       chrome.send('metricsHandler:recordInHistogram',
                   [this.histogram_,
                    ((bucket > this.maxBucket_) ? this.maxBucket_ : bucket),
                    this.maxBucket_]);
     }
   };
 
   /**
    * Destination Search specific usage statistics context.
    * @constructor
    * @extends {print_preview.MetricsContext}
    */
   function DestinationSearchMetricsContext() {
     MetricsContext.call(
         this,
         'PrintPreview.DestinationAction',
         Metrics.DestinationSearchBucket.DESTINATION_SEARCH_MAX_BUCKET);
-  };
+  }
 
   DestinationSearchMetricsContext.prototype = {
     __proto__: MetricsContext.prototype
   };
 
   /**
    * GCP promotion specific usage statistics context.
    * @constructor
    * @extends {print_preview.MetricsContext}
    */
   function GcpPromoMetricsContext() {
     MetricsContext.call(this,
                         'PrintPreview.GcpPromo',
                         Metrics.GcpPromoBucket.GCP_PROMO_MAX_BUCKET);
-  };
+  }
 
   GcpPromoMetricsContext.prototype = {
     __proto__: MetricsContext.prototype
   };
 
   /**
    * Print settings UI specific usage statistics context.
    * @constructor
    * @extends {print_preview.MetricsContext}
    */
   function PrintSettingsUiMetricsContext() {
     MetricsContext.call(
         this,
         'PrintPreview.PrintSettingsUi',
         Metrics.PrintSettingsUiBucket.PRINT_SETTINGS_UI_MAX_BUCKET);
-  };
+  }
 
   PrintSettingsUiMetricsContext.prototype = {
     __proto__: MetricsContext.prototype
   };
 
   // Export
   return {
     Metrics: Metrics,
     MetricsContext: MetricsContext,
     DestinationSearchMetricsContext: DestinationSearchMetricsContext,
     GcpPromoMetricsContext: GcpPromoMetricsContext,
     PrintSettingsUiMetricsContext: PrintSettingsUiMetricsContext
   };
 });