Arc++: Fix a regression issue that some Chrome app could not load its icon when login at first time.

chrome/browser/ui/app_list/extension_app_model_builder.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/ui/app_list/extension_app_model_builder.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 134 matching lines @@
     NOTREACHED();
     return;
   }
 
   if (!extensions::ui_util::ShouldDisplayInAppLauncher(extension, profile()))
     return;
 
   DVLOG(2) << service() << ": OnAppInstalled: " << app_id.substr(0, 8);
   ExtensionAppItem* existing_item = GetExtensionAppItem(app_id);
   if (existing_item) {
-    existing_item->UpdateIcon();
+    existing_item->Reload();
     if (service())
       service()->UpdateItem(existing_item);
     return;
   }
 
   InsertApp(CreateAppItem(app_id, "", gfx::ImageSkia(),
                           extension->is_platform_app()));
 }
 
 void ExtensionAppModelBuilder::OnAppUpdated(
@@ skipping 104 matching lines @@
     app_list::AppListItem* item = item_list->item_at(idx + 1);
     if (item->GetItemType() == ExtensionAppItem::kItemType) {
       next = static_cast<ExtensionAppItem*>(item);
       break;
     }
   }
   // item->Move will call set_position, overriding the item's position.
   if (prev || next)
     static_cast<ExtensionAppItem*>(item)->Move(prev, next);
 }