Add UMA metrics to 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;
@@ skipping 481 matching lines @@
 
     function onDone() {
       if (self.mountPoints_ && self.rootEntries_)
         self.init_();
     }
 
     chrome.fileBrowserPrivate.requestLocalFileSystem(function(filesystem) {
       self.filesystem_ = filesystem;
       util.installFileErrorToString();
 
-      metrics.recordTime('Load.FileSystem');
+      metrics.recordInterval('Load.FileSystem');
 
       var rootEntries = [];
 
       function onAllRootsFound() {
-        metrics.recordTime('Load.Roots');
+        metrics.recordInterval('Load.Roots');
         self.rootEntries_ = rootEntries;
         onDone();
       }
 
       function onPathError(path, err) {
         console.error('Error locating root path: ' + path + ': ' + err);
       }
 
       function onEntryFound(entry) {
         if (entry) {
@@ skipping 93 matching lines @@
 
     this.setupCurrentDirectory_();
 
     this.summarizeSelection_();
 
     this.dataModel_.sort('cachedMtime_', 'desc');
 
     this.refocus();
 
     this.createMetadataProvider_();
-    metrics.recordTime('Load.DOM');
-    metrics.recordTime('Load.Total');
+    metrics.recordInterval('Load.DOM');
+    metrics.recordInterval('Load.Total');
   };
 
   /**
    * One-time initialization of commands.
    */
   FileManager.prototype.initCommands_ = function() {
     var commands = this.dialogDom_.querySelectorAll('command');
     for (var i = 0; i < commands.length; i++) {
       var command = commands[i];
       cr.ui.Command.decorate(command);
@@ skipping 1728 matching lines @@
           urls.push(entry.toURL());
         }
       }
     } else {
       // Multiple selection. Pass just those items, select the first entry.
       selectedUrl = urls[0];
     }
 
     galleryFrame.onload = function() {
       self.document_.title = str('GALLERY');
+      galleryFrame.contentWindow.ImageUtil.metrics = metrics;
       galleryFrame.contentWindow.Gallery.open(
           self.currentDirEntry_,
           urls,
           selectedUrl,
           function () {
             // TODO(kaznacheev): keep selection.
             self.dialogDom_.removeChild(galleryFrame);
             self.document_.title = self.currentDirEntry_.fullPath;
             self.refocus();
           },
@@ skipping 801 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');
+          metrics.recordInterval('DirectoryScan');
           if (self.currentDirEntry_.fullPath == DOWNLOADS_DIRECTORY) {
-            metrics.reportCount("DownloadsCount", self.dataModel_.length);
+            metrics.recordMediumCount("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)
@@ skipping 777 matching lines @@
           });
       }, onError);
 
       function onError(err) {
         console.log('Error while checking free space: ' + err);
         setTimeout(doCheck, 1000 * 60);
       }
     }
   }
 })();