Add GetWebContents to ShellDelegate.

chrome/browser/ui/ash/chrome_shell_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/ash/chrome_shell_delegate.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 15 matching lines @@
 #include "build/build_config.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
 #include "chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util.h"
 #include "chrome/browser/chromeos/ash_config.h"
 #include "chrome/browser/chromeos/background/ash_wallpaper_delegate.h"
 #include "chrome/browser/chromeos/display/display_configuration_observer.h"
 #include "chrome/browser/chromeos/display/display_preferences.h"
+#include "chrome/browser/chromeos/login/ui/login_display_host.h"
+#include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/chromeos/policy/display_rotation_default_handler.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
 #include "chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/signin/signin_error_notifier_factory_ash.h"
 #include "chrome/browser/speech/tts_controller.h"
 #include "chrome/browser/sync/sync_error_notifier_factory_ash.h"
 #include "chrome/browser/ui/ash/chrome_keyboard_ui.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h"
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
 #include "chrome/browser/ui/ash/palette_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/session_util.h"
 #include "chrome/browser/ui/ash/system_tray_delegate_chromeos.h"
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/prefs/pref_service.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/user_metrics.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/common/service_manager_connection.h"
 #include "ui/aura/window.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 using chromeos::AccessibilityManager;
 
 namespace {
 
@@ skipping 458 matching lines @@
 
 void ChromeShellDelegate::UpdateTouchscreenStatusFromPrefs() {
   chromeos::system::InputDeviceSettings::Get()
       ->UpdateTouchscreenStatusFromPrefs();
 }
 
 void ChromeShellDelegate::ToggleTouchpad() {
   chromeos::system::InputDeviceSettings::Get()->ToggleTouchpad();
 }
 
+content::WebContents* ChromeShellDelegate::GetWebContents() {
+  BrowserList* browser_list = BrowserList::GetInstance();
+  content::WebContents* webcontents = nullptr;
+  if (!browser_list->empty()) {
+    Browser* browser;
+    browser = browser_list->GetLastActive();
+    if (!browser)
+      browser = browser_list->get(0);
+    if (browser->tab_strip_model()->count() != 0)
+      webcontents = browser->tab_strip_model()->GetActiveWebContents();
+    if (!webcontents)
+      webcontents = browser->tab_strip_model()->GetWebContentsAt(0);
+  } else if (chromeos::LoginDisplayHost::default_host()) {
+    webcontents = chromeos::LoginDisplayHost::default_host()
+                      ->GetWebUILoginView()
+                      ->GetWebContents();
+  }
+  return webcontents;
+}
+
 keyboard::KeyboardUI* ChromeShellDelegate::CreateKeyboardUI() {
   return new ChromeKeyboardUI(ProfileManager::GetActiveUserProfile());
 }
 
 ash::SessionStateDelegate* ChromeShellDelegate::CreateSessionStateDelegate() {
   return new SessionStateDelegateChromeos;
 }
 
 ash::AccessibilityDelegate* ChromeShellDelegate::CreateAccessibilityDelegate() {
   return new AccessibilityDelegateImpl;
@@ skipping 42 matching lines @@
       NOTREACHED() << "Unexpected notification " << type;
   }
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }