Upstreaming mechanism to add query refinement to omnibox searches.

chrome/browser/ui/omnibox/omnibox_edit_model.cc

 // Copyright 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/omnibox/omnibox_edit_model.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/format_macros.h"
@@ skipping 482 matching lines @@
     // inline autocomplete text.
     // TODO: Rethink how we are going to handle this case to avoid
     // inconsistent behavior when user presses Ctrl key.
     // See http://crbug.com/165961 and http://crbug.com/165968 for more details.
     cursor_position = user_text_.length();
   }
 
   // We don't explicitly clear OmniboxPopupModel::manually_selected_match, as
   // Start ends up invoking OmniboxPopupModel::OnResultChanged which clears it.
   autocomplete_controller_->Start(AutocompleteInput(
-      user_text_, cursor_position, string16(),
+      user_text_, cursor_position, string16(), GURL(),
       prevent_inline_autocomplete || just_deleted_text_ ||
       (has_selected_text && inline_autocomplete_text_.empty()) ||
       (paste_state_ != NONE), keyword_is_selected,
       keyword_is_selected || allow_exact_keyword_match_,
       AutocompleteInput::ALL_MATCHES));
 }
 
 void OmniboxEditModel::StopAutocomplete() {
   autocomplete_controller_->Stop(true);
 }
@@ skipping 38 matching lines @@
     // as the desired TLD. Then use this autocomplete input to generate a
     // URL_WHAT_YOU_TYPED AutocompleteMatch. Note that using the most recent
     // input instead of the currently visible text means we'll ignore any
     // visible inline autocompletion: if a user types "foo" and is autocompleted
     // to "foodnetwork.com", ctrl-enter will  navigate to "foo.com", not
     // "foodnetwork.com".  At the time of writing, this behavior matches
     // Internet Explorer, but not Firefox.
     const AutocompleteInput& old_input = autocomplete_controller_->input();
     AutocompleteInput input(
       old_input.text(), old_input.cursor_position(), ASCIIToUTF16("com"),
-      old_input.prevent_inline_autocomplete(),
-      old_input.prefer_keyword(),
-      old_input.allow_exact_keyword_match(),
+      GURL(), old_input.prevent_inline_autocomplete(),
+      old_input.prefer_keyword(), old_input.allow_exact_keyword_match(),
       old_input.matches_requested());
     AutocompleteMatch url_match =
         HistoryURLProvider::SuggestExactInput(match.provider, input, true);
 
     if (url_match.destination_url.is_valid()) {
       // We have a valid URL, we use this newly generated AutocompleteMatch.
       match = url_match;
       alternate_nav_url = GURL();
     }
   }
@@ skipping 804 matching lines @@
     instant->OmniboxFocusChanged(state, reason, NULL);
 
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 }