Make Google Search autocomplete provider cursor aware.

chrome/browser/ui/webui/options/home_page_overlay_handler.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/ui/webui/options/home_page_overlay_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/values.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
@@ skipping 31 matching lines @@
   RegisterTitle(localized_strings, "homePageOverlay",
                 IDS_OPTIONS_HOMEPAGE_TITLE);
 }
 
 void HomePageOverlayHandler::RequestAutocompleteSuggestions(
     const base::ListValue* args) {
   string16 input;
   CHECK_EQ(args->GetSize(), 1U);
   CHECK(args->GetString(0, &input));
 
-  autocomplete_controller_->Start(input, string16(), true, false, false,
-                                  AutocompleteInput::ALL_MATCHES);
+  autocomplete_controller_->Start(AutocompleteInput(
+      input, string16::npos, string16(), true,
+      false, false, AutocompleteInput::ALL_MATCHES));
 }
 
 void HomePageOverlayHandler::OnResultChanged(bool default_match_changed) {
   const AutocompleteResult& result = autocomplete_controller_->result();
   base::ListValue suggestions;
   OptionsUI::ProcessAutocompleteSuggestions(result, &suggestions);
   web_ui()->CallJavascriptFunction(
       "HomePageOverlay.updateAutocompleteSuggestions", suggestions);
 }
 
 }  // namespace options