Refactor oobe/login screens so lock screen can be loaded faster.

chrome/browser/ui/webui/chromeos/login/oobe_ui.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/webui/chromeos/login/oobe_ui.h"
 
 #include <stddef.h>
 
 #include "ash/shell_window_ids.h"
 #include "ash/wm/screen_dimmer.h"
@@ skipping 74 matching lines @@
 
 OobeScreen kDimOverlayScreenIds[] = {
   OobeScreen::SCREEN_CONFIRM_PASSWORD,
   OobeScreen::SCREEN_GAIA_SIGNIN,
   OobeScreen::SCREEN_OOBE_ENROLLMENT,
   OobeScreen::SCREEN_PASSWORD_CHANGED,
   OobeScreen::SCREEN_USER_IMAGE_PICKER
 };
 
 const char kStringsJSPath[] = "strings.js";
+const char kLockJSPath[] = "lock.js";
 const char kLoginJSPath[] = "login.js";
 const char kOobeJSPath[] = "oobe.js";
 const char kKeyboardUtilsJSPath[] = "keyboard_utils.js";
 const char kCustomElementsHTMLPath[] = "custom_elements.html";
 const char kCustomElementsJSPath[] = "custom_elements.js";
 
 // Paths for deferred resource loading.
 const char kEnrollmentHTMLPath[] = "enrollment.html";
 const char kEnrollmentCSSPath[] = "enrollment.css";
 const char kEnrollmentJSPath[] = "enrollment.js";
 
 // Creates a WebUIDataSource for chrome://oobe
 content::WebUIDataSource* CreateOobeUIDataSource(
     const base::DictionaryValue& localized_strings,
     const std::string& display_type) {
   content::WebUIDataSource* source =
       content::WebUIDataSource::Create(chrome::kChromeUIOobeHost);
   source->AddLocalizedStrings(localized_strings);
   source->SetJsonPath(kStringsJSPath);
 
   if (display_type == OobeUI::kOobeDisplay) {
     source->SetDefaultResource(IDR_OOBE_HTML);
     source->AddResourcePath(kOobeJSPath, IDR_OOBE_JS);
     source->AddResourcePath(kCustomElementsHTMLPath,
                             IDR_CUSTOM_ELEMENTS_OOBE_HTML);
     source->AddResourcePath(kCustomElementsJSPath, IDR_CUSTOM_ELEMENTS_OOBE_JS);
+  } else if (display_type == OobeUI::kLockDisplay) {
+    source->SetDefaultResource(IDR_LOCK_HTML);
+    source->AddResourcePath(kLockJSPath, IDR_LOCK_JS);
+    source->AddResourcePath(kCustomElementsHTMLPath,
+                            IDR_CUSTOM_ELEMENTS_LOCK_HTML);
+    source->AddResourcePath(kCustomElementsJSPath, IDR_CUSTOM_ELEMENTS_LOCK_JS);
   } else {
     source->SetDefaultResource(IDR_LOGIN_HTML);
     source->AddResourcePath(kLoginJSPath, IDR_LOGIN_JS);
     source->AddResourcePath(kCustomElementsHTMLPath,
                             IDR_CUSTOM_ELEMENTS_LOGIN_HTML);
     source->AddResourcePath(kCustomElementsJSPath,
                             IDR_CUSTOM_ELEMENTS_LOGIN_JS);
   }
   source->AddResourcePath(kKeyboardUtilsJSPath, IDR_KEYBOARD_UTILS_JS);
   source->OverrideContentSecurityPolicyFrameSrc(
@@ skipping 436 matching lines @@
   screen_dimmer->set_at_bottom(true);
   screen_dimmer->SetDimming(should_dim);
 
   FOR_EACH_OBSERVER(Observer,
                     observer_list_,
                     OnCurrentScreenChanged(current_screen_, new_screen));
   current_screen_ = new_screen;
 }
 
 }  // namespace chromeos