Add keyboard navigation to the custom launcher page on app list start page.

chrome/browser/ui/app_list/app_list_view_delegate.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/app_list/app_list_view_delegate.h"
 
 #include <vector>
 
 #include "apps/custom_launcher_page_contents.h"
 #include "base/callback.h"
@@ skipping 354 matching lines @@
     std::string extension_id = it->host();
     apps::CustomLauncherPageContents* page_contents =
         new apps::CustomLauncherPageContents(
             scoped_ptr<extensions::AppDelegate>(
                 new ChromeAppDelegate(scoped_ptr<ScopedKeepAlive>())),
             extension_id);
     page_contents->Initialize(profile_, *it);
     custom_page_contents_.push_back(page_contents);
   }
 
+  std::string first_launcher_page_app_id = custom_launcher_page_urls[0].host();
+  const extensions::Extension* extension =
+      extensions::ExtensionRegistry::Get(profile_)
+          ->GetExtensionById(first_launcher_page_app_id,
+                             extensions::ExtensionRegistry::EVERYTHING);
+  model_->set_custom_launcher_page_name(extension->name());
   // Only the first custom launcher page gets events dispatched to it.
   launcher_page_event_dispatcher_.reset(
-      new app_list::LauncherPageEventDispatcher(
-          profile_, custom_launcher_page_urls[0].host()));
+      new app_list::LauncherPageEventDispatcher(profile_,
+                                                first_launcher_page_app_id));
 }
 
 void AppListViewDelegate::OnHotwordStateChanged(bool started) {
   if (started) {
     if (speech_ui_->state() == app_list::SPEECH_RECOGNITION_READY) {
       OnSpeechRecognitionStateChanged(
           app_list::SPEECH_RECOGNITION_HOTWORD_LISTENING);
     }
   } else {
     if (speech_ui_->state() == app_list::SPEECH_RECOGNITION_HOTWORD_LISTENING)
@@ skipping 425 matching lines @@
 
       // SigninManagerFactory is not a leaky singleton (unlike this class), and
       // its destructor will check that it has no remaining observers.
       scoped_observer_.RemoveAll();
       SigninManagerFactory::GetInstance()->RemoveObserver(this);
       break;
     default:
       NOTREACHED();
   }
 }