Add onfocuschange to the Extended Search API, with associated isFocused attribute.

chrome/browser/ui/search/instant_page.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 "chrome/browser/ui/search/instant_page.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 90 matching lines @@
 void InstantPage::SendThemeBackgroundInfo(
     const ThemeBackgroundInfo& theme_info) {
   Send(new ChromeViewMsg_SearchBoxThemeChanged(routing_id(), theme_info));
 }
 
 void InstantPage::SetDisplayInstantResults(bool display_instant_results) {
   Send(new ChromeViewMsg_SearchBoxSetDisplayInstantResults(
       routing_id(), display_instant_results));
 }
 
-void InstantPage::KeyCaptureChanged(bool is_key_capture_enabled) {
+void InstantPage::KeyCaptureChanged(OmniboxFocusState state,
+                                    OmniboxFocusChangeReason reason) {
   Send(new ChromeViewMsg_SearchBoxKeyCaptureChanged(
-      routing_id(), is_key_capture_enabled));
+      routing_id(), state, reason));
 }
 
 void InstantPage::SendMostVisitedItems(
     const std::vector<InstantMostVisitedItemIDPair>& items) {
   Send(new ChromeViewMsg_SearchBoxMostVisitedItemsChanged(routing_id(), items));
 }
 
 InstantPage::InstantPage(Delegate* delegate, const std::string& instant_url)
     : delegate_(delegate),
       instant_url_(instant_url),
@@ skipping 164 matching lines @@
   delegate_->DeleteMostVisitedItem(restricted_id);
 }
 
 void InstantPage::OnUndoMostVisitedDeletion(InstantRestrictedID restricted_id) {
   delegate_->UndoMostVisitedDeletion(restricted_id);
 }
 
 void InstantPage::OnUndoAllMostVisitedDeletions() {
   delegate_->UndoAllMostVisitedDeletions();
 }