Experimental app list: custom launcher pages handle web contents events.

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"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/metrics/user_metrics.h"
 #include "base/stl_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service_factory.h"
 #include "chrome/browser/ui/app_list/search/search_controller.h"
 #include "chrome/browser/ui/app_list/start_page_service.h"
+#include "chrome/browser/ui/apps/chrome_app_delegate.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/url_constants.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 115 matching lines @@
   // arbitrary extensions may be able to specify their own custom pages.
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (app_list::switches::IsExperimentalAppListEnabled() &&
       command_line->HasSwitch(switches::kCustomLauncherPage)) {
     GURL custom_launcher_page_url(
         command_line->GetSwitchValueASCII(switches::kCustomLauncherPage));
     if (!custom_launcher_page_url.SchemeIs(extensions::kExtensionScheme)) {
       LOG(ERROR) << "Invalid custom launcher page URL: "
                  << custom_launcher_page_url.possibly_invalid_spec();
     } else {
-      custom_page_contents_.reset(new apps::CustomLauncherPageContents());
+      std::string extension_id = custom_launcher_page_url.host();
+      custom_page_contents_.reset(new apps::CustomLauncherPageContents(
+          scoped_ptr<apps::AppDelegate>(new ChromeAppDelegate), extension_id));
       custom_page_contents_->Initialize(profile, custom_launcher_page_url);
     }
   }
 }
 
 AppListViewDelegate::~AppListViewDelegate() {
   app_list::StartPageService* service =
       app_list::StartPageService::Get(profile_);
   if (service)
     service->RemoveObserver(this);
@@ skipping 356 matching lines @@
 
 void AppListViewDelegate::AddObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListViewDelegate::RemoveObserver(
     app_list::AppListViewDelegateObserver* observer) {
   observers_.RemoveObserver(observer);
 }