Use scope defined in Web Manifest when adding page to homescreen

content/common/manifest_manager_messages.h

 // 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.
 
 // IPC messages for the web manifest manager.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "content/public/common/manifest.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 12 matching lines @@
 IPC_STRUCT_TRAITS_BEGIN(content::Manifest::RelatedApplication)
   IPC_STRUCT_TRAITS_MEMBER(platform)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(id)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::Manifest)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(short_name)
   IPC_STRUCT_TRAITS_MEMBER(start_url)
+  IPC_STRUCT_TRAITS_MEMBER(scope)
   IPC_STRUCT_TRAITS_MEMBER(display)
   IPC_STRUCT_TRAITS_MEMBER(orientation)
   IPC_STRUCT_TRAITS_MEMBER(icons)
   IPC_STRUCT_TRAITS_MEMBER(related_applications)
   IPC_STRUCT_TRAITS_MEMBER(prefer_related_applications)
   IPC_STRUCT_TRAITS_MEMBER(theme_color)
   IPC_STRUCT_TRAITS_MEMBER(background_color)
   IPC_STRUCT_TRAITS_MEMBER(gcm_sender_id)
 IPC_STRUCT_TRAITS_END()
 
@@ skipping 18 matching lines @@
                     int, /* request_id */
                     GURL, /* manifest URL */
                     content::Manifest /* manifest */)
 
 // The render process' response to a HasManifest. The |request_id| is the one
 // sent from the browser. The |bool| will be true if the current document has a
 // manifest link URL, and false otherwise.
 IPC_MESSAGE_ROUTED2(ManifestManagerHostMsg_HasManifestResponse,
                     int, /* request_id */
                     bool /* true if the document has a manifest link */)