Don't group packaged apps in with TYPE_UNKNOWN for update check histograms.

chrome/browser/extensions/updater/extension_downloader.cc

 // 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.
 
 #include "chrome/browser/extensions/updater/extension_downloader.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 221 matching lines @@
       ++url_stats_.theme_count;
       break;
     case Extension::TYPE_EXTENSION:
     case Extension::TYPE_USER_SCRIPT:
       ++url_stats_.extension_count;
       break;
     case Extension::TYPE_HOSTED_APP:
     case Extension::TYPE_LEGACY_PACKAGED_APP:
       ++url_stats_.app_count;
       break;
+    case Extension::TYPE_PLATFORM_APP:
+      ++url_stats_.platform_app_count;
+      break;
     case Extension::TYPE_UNKNOWN:
     default:
       ++url_stats_.pending_count;
       break;
   }
 
   std::vector<GURL> update_urls;
   update_urls.push_back(update_url);
   // If UMA is enabled, also add to ManifestFetchData for the
   // webstore update URL.
@@ skipping 43 matching lines @@
   return true;
 }
 
 void ExtensionDownloader::ReportStats() const {
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckExtension",
                            url_stats_.extension_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckTheme",
                            url_stats_.theme_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckApp",
                            url_stats_.app_count);
+  UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckPackagedApp",
+                           url_stats_.platform_app_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckPending",
                            url_stats_.pending_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckGoogleUrl",
                            url_stats_.google_url_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckOtherUrl",
                            url_stats_.other_url_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckNoUrl",
                            url_stats_.no_url_count);
 }
 
@@ skipping 348 matching lines @@
 }
 
 void ExtensionDownloader::NotifyUpdateFound(const std::string& id) {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_UPDATE_FOUND,
       content::NotificationService::AllBrowserContextsAndSources(),
       content::Details<const std::string>(&id));
 }
 
 }  // namespace extensions