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 100 matching lines @@
 void InstantPage::KeyCaptureChanged(bool is_key_capture_enabled) {
   Send(new ChromeViewMsg_SearchBoxKeyCaptureChanged(
       routing_id(), is_key_capture_enabled));
 }
 
 void InstantPage::SendMostVisitedItems(
     const std::vector<InstantMostVisitedItemIDPair>& items) {
   Send(new ChromeViewMsg_SearchBoxMostVisitedItemsChanged(routing_id(), items));
 }
 
+void InstantPage::FocusChanged(bool is_focused) {
+  Send(new ChromeViewMsg_SearchBoxFocusChanged(routing_id(), is_focused));
+}
+
 InstantPage::InstantPage(Delegate* delegate, const std::string& instant_url)
     : delegate_(delegate),
       instant_url_(instant_url),
       supports_instant_(false),
       instant_support_determined_(false) {
 }
 
 void InstantPage::SetContents(content::WebContents* contents) {
   Observe(contents);
 }
@@ skipping 157 matching lines @@
   delegate_->DeleteMostVisitedItem(restricted_id);
 }
 
 void InstantPage::OnUndoMostVisitedDeletion(InstantRestrictedID restricted_id) {
   delegate_->UndoMostVisitedDeletion(restricted_id);
 }
 
 void InstantPage::OnUndoAllMostVisitedDeletions() {
   delegate_->UndoAllMostVisitedDeletions();
 }