Fixes a typo: use the default image if the extension doesn't have icon.

chrome/browser/background/background_contents_service.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/background/background_contents_service.h"
 
 #include "apps/app_load_service.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 148 matching lines @@
 };
 
 #if defined(ENABLE_NOTIFICATIONS)
 void NotificationImageReady(
     const std::string extension_name,
     const base::string16 message,
     scoped_refptr<CrashNotificationDelegate> delegate,
     Profile* profile,
     const gfx::Image& icon) {
   gfx::Image notification_icon(icon);
   if (icon.IsEmpty()) {

[dewittj, 2014/02/12 21:29:55]

nit: change this to notification_icon.IsEmpty

[Jun Mukai, 2014/02/12 21:42:23]

Done.

     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     notification_icon = rb.GetImageNamed(IDR_EXTENSION_DEFAULT_ICON);
   }
 
   // Origin URL must be different from the crashed extension to avoid the
   // conflict. NotificationSystemObserver will cancel all notifications from
   // the same origin when NOTIFICATION_EXTENSION_UNLOADED.
   // TODO(mukai, dewittj): remove this and switch to message center
   // notifications.
   DesktopNotificationService::AddIconNotification(
       GURL() /* empty origin */,
       base::string16(),
       message,
-      icon,
+      notification_icon,
       base::string16(),
       delegate.get(),
       profile);
 }
 #endif
 
 // Show a popup notification balloon with a crash message for a given app/
 // extension.
 void ShowBalloon(const Extension* extension, Profile* profile) {
 #if defined(ENABLE_NOTIFICATIONS)
@@ skipping 572 matching lines @@
     bool user_gesture,
     bool* was_blocked) {
   Browser* browser = chrome::FindLastActiveWithProfile(
       Profile::FromBrowserContext(new_contents->GetBrowserContext()),
       chrome::GetActiveDesktop());
   if (browser) {
     chrome::AddWebContents(browser, NULL, new_contents, disposition,
                            initial_pos, user_gesture, was_blocked);
   }
 }