OOP import on Linux (i.e., on all platforms since Linux is the only one left!).

chrome/browser/importer/external_process_importer_client.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/importer/external_process_importer_client.h"
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/bookmarks/imported_bookmark_entry.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 46 matching lines @@
   cancelled_ = true;
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(
           &ExternalProcessImporterClient::CancelImportProcessOnIOThread,
           this));
   Release();
 }
 
 void ExternalProcessImporterClient::OnProcessCrashed(int exit_code) {
+  DLOG(ERROR) << __FUNCTION__;

[gab, 2013/06/19 20:06:03]

Also adding this as it helped me when debugging to know that the issue at some
point was the utility process crashing.

   if (cancelled_)
     return;
 
   process_importer_host_->Cancel();
 }
 
 bool ExternalProcessImporterClient::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExternalProcessImporterClient, message)
@@ skipping 216 matching lines @@
   localized_strings.SetString(
       base::IntToString(IDS_IMPORT_FROM_SAFARI),
       l10n_util::GetStringUTF8(IDS_IMPORT_FROM_SAFARI));
   localized_strings.SetString(
       base::IntToString(IDS_BOOKMARK_BAR_FOLDER_NAME),
       l10n_util::GetStringUTF8(IDS_BOOKMARK_BAR_FOLDER_NAME));
 
   utility_process_host_->Send(new ProfileImportProcessMsg_StartImport(
       source_profile_, items_, localized_strings));
 }