Add a function to create a bookmark app from a WebApplicationInfo.

chrome/browser/extensions/bookmark_app_helper.cc

 // Copyright 2014 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/bookmark_app_helper.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/favicon_downloader.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
+#include "chrome/common/extensions/manifest_handlers/icons_handler.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/common/extension.h"
 #include "skia/ext/image_operations.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/color_analysis.h"
 #include "ui/gfx/image/image.h"
 
@@ skipping 250 matching lines @@
     }
     case chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR:
       callback_.Run(NULL, web_app_info_);
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
+void CreateOrUpdateBookmarkApp(ExtensionService* service,
+                               WebApplicationInfo& web_app_info) {
+  scoped_refptr<extensions::CrxInstaller> installer(
+      extensions::CrxInstaller::CreateSilent(service));
+  installer->set_error_on_unsupported_requirements(true);
+  installer->InstallWebApp(web_app_info);
+}
+
 }  // namespace extensions