Build Autofill component on iOS.

components/autofill/core/browser/personal_data_manager.cc

 // Copyright 2013 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 "components/autofill/core/browser/personal_data_manager.h"
 
 #include <algorithm>
 #include <functional>
 #include <iterator>
 
@@ skipping 848 matching lines @@
   if (!database_.get()) {
     NOTREACHED();
     return;
   }
 
   CancelPendingQuery(&pending_profiles_query_);
 
   pending_profiles_query_ = database_->GetAutofillProfiles(this);
 }
 
-// Win and Linux implementations do nothing. Mac and Android implementations
-// fill in the contents of |auxiliary_profiles_|.
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
+// Win, Linux, and iOS implementations do nothing. Mac and Android
+// implementations fill in the contents of |auxiliary_profiles_|.
+#if defined(OS_IOS) || (!defined(OS_MACOSX) && !defined(OS_ANDROID))
 void PersonalDataManager::LoadAuxiliaryProfiles() const {
 }
 #endif
 
 void PersonalDataManager::LoadCreditCards() {
   if (!database_.get()) {
     NOTREACHED();
     return;
   }
 
@@ skipping 135 matching lines @@
   if (!votes.empty()) {
     std::map<std::string, int>::iterator iter =
         std::max_element(votes.begin(), votes.end(), CompareVotes);
     return iter->first;
   }
 
   return std::string();
 }
 
 }  // namespace autofill