Compile several targets in Gallery in gyp v2.

ui/file_manager/gallery/js/slide_mode.js

 // Copyright 2014 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.
 
 /**
  * Slide mode displays a single image and has a set of controls to navigate
  * between the images and to edit an image.
  *
  * @param {!HTMLElement} container Main container element.
  * @param {!HTMLElement} content Content container element.
@@ skipping 1021 matching lines @@
     if (opt_error) {
       this.errorBanner_.show(/** @type {string} */ (opt_error));
     } else {
       // otherwise try to infer general error
       this.errorBanner_.show('GALLERY_IMAGE_ERROR');
     }
   } else if (loadType === ImageView.LoadType.OFFLINE) {
     this.errorBanner_.show('GALLERY_IMAGE_OFFLINE');
   }
 
-  ImageUtil.metrics.recordUserAction(ImageUtil.getMetricName('View'));
+  metrics.recordUserAction(ImageUtil.getMetricName('View'));
 
   var toMillions = function(number) {
     return Math.round(number / (1000 * 1000));
   };
 
   var metadata = item.getMetadataItem();
   if (metadata) {
-    ImageUtil.metrics.recordSmallCount(ImageUtil.getMetricName('Size.MB'),
+    metrics.recordSmallCount(ImageUtil.getMetricName('Size.MB'),
         toMillions(metadata.size));
   }
 
   var image = this.imageView_.getImage();
-  ImageUtil.metrics.recordSmallCount(ImageUtil.getMetricName('Size.MPix'),
+  metrics.recordSmallCount(ImageUtil.getMetricName('Size.MPix'),
       toMillions(image.width * image.height));
 
   var extIndex = entry.name.lastIndexOf('.');
   var ext = extIndex < 0 ? '' :
       entry.name.substr(extIndex + 1).toLowerCase();
   if (ext === 'jpeg') ext = 'jpg';
-  ImageUtil.metrics.recordEnum(
+  metrics.recordEnum(
       ImageUtil.getMetricName('FileType'), ext, ImageUtil.FILE_TYPES);
 
   // Enable or disable buttons for editing and printing.
   if (opt_error) {
     this.editButton_.disabled = true;
     this.printButton_.disabled = true;
   } else {
     this.editButton_.disabled = false;
     this.printButton_.disabled = false;
   }
@@ skipping 238 matching lines @@
       item,
       ImageUtil.ensureCanvas(this.imageView_.getImage()),
       this.overwriteOriginalCheckbox_.checked);
 
   savedPromise.then(function() {
     this.showSpinner_(false);
     this.flashSavedLabel_();
 
     // Record UMA for the first edit.
     if (this.imageView_.getContentRevision() === 1)
-      ImageUtil.metrics.recordUserAction(ImageUtil.getMetricName('Edit'));
+      metrics.recordUserAction(ImageUtil.getMetricName('Edit'));
 
     // Users can change overwrite original setting only if there is no undo
     // stack and item is original and writable.
     var ableToChangeOverwriteOriginalSetting = !this.editor_.canUndo() &&
         item.isOriginal() && item.isWritableFile(this.volumeManager_);
     this.overwriteOriginalCheckbox_.disabled =
         !ableToChangeOverwriteOriginalSetting;
 
     callback();
   }.bind(this)).catch(function(error) {
@@ skipping 812 matching lines @@
 /**
  * Handles mouse up events.
  * @param {!Event} event Wheel event.
  * @private
  */
 TouchHandler.prototype.onMouseUp_ = function(event) {
   if (event.button !== 0)
     return;
   this.clickStarted_ = false;
 };