Fixing exit on 'X' icon in Photo Editor

chrome/browser/resources/file_manager/js/file_manager.js

 // Copyright (c) 2011 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.
 
 // Setting the src of an img to an empty string can crash the browser, so we
 // use an empty 1x1 gif instead.
 const EMPTY_IMAGE_URI = 'data:image/gif;base64,'
         + 'R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D';
 
 var g_slideshow_data = null;
 
-const GALLERY_ENABLED = true;
-
 // If directory files changes too often, don't rescan directory more than once
 // per specified interval
 const SIMULTANEOUS_RESCAN_INTERVAL = 1000;
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
  * dialogs, as well as the full screen file manager application (though the
  * latter is not yet implemented).
@@ skipping 2238 matching lines @@
     }
 
     galleryFrame.onload = function() {
       self.document_.title = str('GALLERY');
       galleryFrame.contentWindow.Gallery.open(
           self.currentDirEntry_,
           urls,
           selectedUrl,
           function () {
             // TODO(kaznacheev): keep selection.
-            self.rescanDirectoryNow_();  // Make sure new files show up.
             self.dialogDom_.removeChild(galleryFrame);
             self.document_.title = self.currentDirEntry_.fullPath;
             self.refocus();
           },
           self.metadataProvider_,
           shareActions,
           str);
     };
 
     galleryFrame.src = 'js/image_editor/gallery.html';
@@ skipping 774 matching lines @@
               callbacks[i].onError();
             } catch (ex) {
               console.error('Caught exception while notifying about error: ' +
                           name, ex);
             }
         }
       }
 
       function onReadSome(entries) {
         if (entries.length == 0) {
+          metrics.recordTime('DirectoryScan');
+          if (self.currentDirEntry_.fullPath == DOWNLOADS_DIRECTORY) {
+            metrics.reportCount("DownloadsCount", self.dataModel_.length);
+          }
+
           if (self.pendingRescanQueue_.length > 0) {
             setTimeout(self.rescanDirectory_.bind(self),
                 SIMULTANEOUS_RESCAN_INTERVAL);
           }
 
           self.rescanRunning_ = false;
           for (var i= 0; i < callbacks.length; i++) {
             if (callbacks[i].onSuccess)
               try {
                 callbacks[i].onSuccess();
@@ skipping 15 matching lines @@
         // commonly hidden patterns might be nice too.
         if (self.filterFiles_) {
           spliceArgs = spliceArgs.filter(function(e) {
               return e.name.substr(0, 1) != '.';
             });
         }
 
         spliceArgs.unshift(0, 0);  // index, deleteCount
         self.dataModel_.splice.apply(self.dataModel_, spliceArgs);
 
+        metrics.startInterval('DirectoryScan');
+
         // Keep reading until entries.length is 0.
         reader.readEntries(onReadSome, onError);
       };
 
       // If not the root directory, just read the contents.
       reader = this.currentDirEntry_.createReader();
       reader.readEntries(onReadSome, onError);
       return;
     }
 
@@ skipping 702 matching lines @@
           });
       }, onError);
 
       function onError(err) {
         console.log('Error while checking free space: ' + err);
         setTimeout(doCheck, 1000 * 60);
       }
     }
   }
 })();