autofill: Refactor PersonalDataManager::Observer into its own header file.

chrome/browser/ui/webui/options/autofill_options_handler.cc

 // Copyright (c) 2011 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/ui/webui/options/autofill_options_handler.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/autofill/autofill_country.h"
 #include "chrome/browser/autofill/autofill_profile.h"
 #include "chrome/browser/autofill/credit_card.h"
+#include "chrome/browser/autofill/personal_data_manager.h"
 #include "chrome/browser/autofill/phone_number_i18n.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/web_ui_util.h"
 #include "chrome/common/guid.h"
 #include "grit/generated_resources.h"
 #include "grit/webkit_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
@@ skipping 509 matching lines @@
 void AutofillOptionsHandler::ValidateFaxNumbers(const ListValue* args) {
   if (!personal_data_->IsDataLoaded())
     return;
 
   ListValue* list_value = NULL;
   ValidatePhoneArguments(args, &list_value);
 
   web_ui_->CallJavascriptFunction(
       "AutofillEditAddressOverlay.setValidatedFaxNumbers", *list_value);
 }