Make import from the options menu OOP on Mac OS X....

chrome/browser/cocoa/import_settings_dialog.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/cocoa/import_settings_dialog.h"
 
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/importer/importer_data_types.h"
 #include "chrome/browser/importer/importer_list.h"
@@ skipping 161 matching lines @@
 - (IBAction)ok:(id)sender {
   [self closeDialog];
   const importer::ProfileInfo& sourceProfile =
       importerList_.get()->GetSourceProfileInfoAt([self sourceBrowserIndex]);
   uint16 items = sourceProfile.services_supported;
   // ProfileInfo.services_supported is a uint16 while the call to
   // StartImportingWithUI requires an int16.
   int16 servicesToImport = static_cast<int16>(items & [self servicesToImport]);
   if (servicesToImport) {
     if (profile_) {
-      ImporterHost* importerHost = new ImporterHost;
+      ImporterHost* importerHost = new ExternalProcessImporterHost;
       // Note that a side effect of the following call is to cause the
       // importerHost to be disposed once the import has completed.
       StartImportingWithUI(nil, servicesToImport, importerHost,
                            sourceProfile, profile_, nil, false);
     }
   } else {
     LOG(WARNING) << "There were no settings to import from '"
                  << sourceProfile.description << "'.";
   }
 }
@@ skipping 45 matching lines @@
 
 // KVO accessor which returns YES if at least one of the services
 // provided by the selected profile has been marked for importing
 // and bound to the OK button's enable property.
 - (BOOL)importSomething {
   return [self importHistory] || [self importFavorites] ||
       [self importPasswords] || [self importSearchEngines];
 }
 
 @end