Include Manifest.icons.purpose in manifest IPC message

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"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START ManifestManagerMsgStart
 
+IPC_ENUM_TRAITS_MAX_VALUE(
+    content::Manifest::Icon::IconPurpose,
+    content::Manifest::Icon::IconPurpose::ICON_PURPOSE_LAST)
+
 IPC_STRUCT_TRAITS_BEGIN(content::Manifest::Icon)
   IPC_STRUCT_TRAITS_MEMBER(src)
   IPC_STRUCT_TRAITS_MEMBER(type)
   IPC_STRUCT_TRAITS_MEMBER(sizes)
+  IPC_STRUCT_TRAITS_MEMBER(purpose)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::Manifest::ShareTarget)
   IPC_STRUCT_TRAITS_MEMBER(url_template)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::Manifest::RelatedApplication)
   IPC_STRUCT_TRAITS_MEMBER(platform)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(id)
@@ skipping 24 matching lines @@
 
 // The render process' response to a RequestManifest. The |request_id| will
 // match the one that was initially received. |manifest_url| will be empty if
 // there is no manifest specified in the associated RenderFrame's document.
 // |manifest| will be empty if a manifest was specified, but could not be
 // parsed correctly.
 IPC_MESSAGE_ROUTED3(ManifestManagerHostMsg_RequestManifestResponse,
                     int, /* request_id */
                     GURL, /* manifest URL */
                     content::Manifest /* manifest */)