Record Code Signature of Downloaded DMG files

chrome/common/chrome_utility_messages.h

 // 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.
 
 // Multiply-included message file, so no include guard.
 
 #if defined(OS_WIN)
 #include <Windows.h>
 #endif  // defined(OS_WIN)
 
@@ skipping 100 matching lines @@
   IPC_PROTOBUF_MESSAGE_TRAITS_OPTIONAL_COMPLEX_MEMBER(signature)
   IPC_PROTOBUF_MESSAGE_TRAITS_OPTIONAL_COMPLEX_MEMBER(image_headers)
 IPC_PROTOBUF_MESSAGE_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(safe_browsing::ArchiveAnalyzerResults)
   IPC_STRUCT_TRAITS_MEMBER(success)
   IPC_STRUCT_TRAITS_MEMBER(has_executable)
   IPC_STRUCT_TRAITS_MEMBER(has_archive)
   IPC_STRUCT_TRAITS_MEMBER(archived_binary)
   IPC_STRUCT_TRAITS_MEMBER(archived_archive_filenames)
+#if defined(OS_MACOSX)
+  IPC_STRUCT_TRAITS_MEMBER(signature_blob)
+#endif  // OS_MACOSX
 IPC_STRUCT_TRAITS_END()
 #endif  // FULL_SAFE_BROWSING
 
 #if defined(OS_WIN)
 IPC_STRUCT_BEGIN(ChromeUtilityMsg_GetSaveFileName_Params)
   IPC_STRUCT_MEMBER(HWND, owner)
   IPC_STRUCT_MEMBER(DWORD, flags)
   IPC_STRUCT_MEMBER(GetOpenFileNameFilter, filters)
   IPC_STRUCT_MEMBER(int, one_based_filter_index)
   IPC_STRUCT_MEMBER(base::FilePath, suggested_filename)
@@ skipping 32 matching lines @@
 #if defined(OS_WIN)
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_GetOpenFileName_Failed)
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetOpenFileName_Result,
                      base::FilePath /* directory */,
                      std::vector<base::FilePath> /* filenames */)
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_GetSaveFileName_Failed)
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetSaveFileName_Result,
                      base::FilePath /* path */,
                      int /* one_based_filter_index  */)
 #endif  // defined(OS_WIN)