material design user manager with create profile flow

chrome/browser/ui/webui/signin/signin_create_profile_handler.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2016 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/options/create_profile_handler.h"
+#include "chrome/browser/ui/webui/signin/signin_create_profile_handler.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/task_runner_util.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/value_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profiles_state.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/webui/options/options_handlers_helper.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
+#include "components/strings/grit/components_strings.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_ui.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/legacy/supervised_user_registration_utility.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_sync_service.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_sync_service_factory.h"
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "chrome/browser/supervised_user/supervised_user_service_factory.h"
 #endif
 
-namespace options {
-
-CreateProfileHandler::CreateProfileHandler()
+SigninCreateProfileHandler::SigninCreateProfileHandler()
     : profile_creation_type_(NO_CREATION_IN_PROGRESS),
       weak_ptr_factory_(this) {
 }
 
-CreateProfileHandler::~CreateProfileHandler() {
+SigninCreateProfileHandler::~SigninCreateProfileHandler() {
 #if defined(ENABLE_SUPERVISED_USERS)
   // Cancellation is only supported for supervised users.
   CancelProfileRegistration(false);
 #endif
 }
 
-void CreateProfileHandler::GetLocalizedValues(
+void SigninCreateProfileHandler::GetLocalizedValues(
     base::DictionaryValue* localized_strings) {
+  localized_strings->SetString("manageProfilesSupervisedSignedInLabel",
+    l10n_util::GetStringUTF16(
+        IDS_PROFILES_CREATE_SUPERVISED_MULTI_SIGNED_IN_LABEL));
+  localized_strings->SetString("manageProfilesSupervisedNotSignedIn",
+    l10n_util::GetStringUTF16(
+        IDS_PROFILES_CREATE_SUPERVISED_NOT_SIGNED_IN_HTML));
+  localized_strings->SetString("createProfileConfirm",
+      l10n_util::GetStringUTF16(IDS_SAVE));
+  localized_strings->SetString("learnMore",
+    l10n_util::GetStringUTF16(IDS_LEARN_MORE));
+  localized_strings->SetString("createProfileTitle",
+      l10n_util::GetStringUTF16(IDS_PROFILES_CREATE_TITLE));
+
+  localized_strings->SetString("supervisedUserLearnMoreTitle",
+      l10n_util::GetStringUTF16(IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_TITLE));
+  localized_strings->SetString("supervisedUserLearnMoreDone",
+      l10n_util::GetStringUTF16(
+          IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_DONE_BUTTON));
+  localized_strings->SetString("supervisedUserLearnMoreText",
+      l10n_util::GetStringFUTF16(
+          IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_TEXT,
+          base::ASCIIToUTF16(
+              chrome::kLegacySupervisedUserManagementDisplayURL)));
 }
 
-void CreateProfileHandler::RegisterMessages() {
+void SigninCreateProfileHandler::RegisterMessages() {
 #if defined(ENABLE_SUPERVISED_USERS)
   // Cancellation is only supported for supervised users.
   web_ui()->RegisterMessageCallback(
       "cancelCreateProfile",
-      base::Bind(&CreateProfileHandler::HandleCancelProfileCreation,
+      base::Bind(&SigninCreateProfileHandler::HandleCancelProfileCreation,
                  base::Unretained(this)));
 #endif
   web_ui()->RegisterMessageCallback(
       "createProfile",
-      base::Bind(&CreateProfileHandler::CreateProfile,
+      base::Bind(&SigninCreateProfileHandler::CreateProfile,
+                 base::Unretained(this)));
+
+  web_ui()->RegisterMessageCallback(
+      "requestDefaultProfileIcons",
+      base::Bind(&SigninCreateProfileHandler::RequestDefaultProfileIcons,
+                 base::Unretained(this)));
+
+  web_ui()->RegisterMessageCallback(
+      "requestCreateProfileUpdate",
+      base::Bind(&SigninCreateProfileHandler::RequestCreateProfileUpdate,
                  base::Unretained(this)));
 }
 
-void CreateProfileHandler::CreateProfile(const base::ListValue* args) {
-#if defined(ENABLE_SUPERVISED_USERS)
-  // This handler could have been called for a supervised user, for example
-  // because the user fiddled with the web inspector. Silently return.
-  if (Profile::FromWebUI(web_ui())->IsSupervised())
-    return;
-#endif
+void SigninCreateProfileHandler::RequestDefaultProfileIcons(
+    const base::ListValue* args) {
+  base::ListValue image_url_list;
 
+  // Add the default avatar icons.
+  for (size_t i = 0; i < profiles::GetDefaultAvatarIconCount(); i++) {
+    std::string url = profiles::GetDefaultAvatarIconUrl(i);
+    image_url_list.AppendString(url);
+  }
+
+  web_ui()->CallJavascriptFunction(
+      "cr.ui.ProfileApi.receiveAvailableIcons",
+      image_url_list);
+}
+
+void SigninCreateProfileHandler::RequestCreateProfileUpdate(
+    const base::ListValue* args) {
+  base::ListValue user_info_list;
+  ProfileManager* pm = g_browser_process->profile_manager();
+  const ProfileInfoCache& cache = pm->GetProfileInfoCache();
+  for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
+    if (!cache.ProfileIsAuthErrorAtIndex(i)) {
+      base::string16 username = cache.GetUserNameOfProfileAtIndex(i);
+      if (username.empty())
+        continue;
+      base::string16 profile_path =
+          cache.GetPathOfProfileAtIndex(i).AsUTF16Unsafe();
+      base::DictionaryValue* user_info = new base::DictionaryValue();
+      user_info->SetString("username", username);
+      user_info->SetString("profile_path", profile_path);
+
+      user_info_list.Append(user_info);
+    }
+  }
+  web_ui()->CallJavascriptFunction("cr.ui.ProfileApi.updateSignedInUsers",
+                                   user_info_list);
+}
+
+void SigninCreateProfileHandler::CreateProfile(const base::ListValue* args) {
   if (!profiles::IsMultipleProfilesEnabled())
     return;
 
   // We can have only one in progress profile creation
   // at any given moment, if new ones are initiated just
   // ignore them until we are done with the old one.
   if (profile_creation_type_ != NO_CREATION_IN_PROGRESS)
     return;
 
   profile_creation_type_ = NON_SUPERVISED_PROFILE_CREATION;
 
   DCHECK(profile_path_being_created_.empty());
   profile_creation_start_time_ = base::TimeTicks::Now();
 
   base::string16 name;
   std::string icon_url;
   bool create_shortcut = false;
   if (args->GetString(0, &name) && args->GetString(1, &icon_url)) {
     DCHECK(base::IsStringASCII(icon_url));
     base::TrimWhitespace(name, base::TRIM_ALL, &name);
     CHECK(!name.empty());
 #ifndef NDEBUG
     size_t icon_index;
     DCHECK(profiles::IsDefaultAvatarIconUrl(icon_url, &icon_index));
 #endif
     args->GetBoolean(2, &create_shortcut);
   }
+#if defined(ENABLE_SUPERVISED_USERS)
   std::string supervised_user_id;
-#if defined(ENABLE_SUPERVISED_USERS)
-  if (!ProcessSupervisedCreateProfileArgs(args, &supervised_user_id))
-    return;
+  base::FilePath supervisor_profile_path;
+  if (GetSupervisedCreateProfileArgs(args, &supervised_user_id,
+                                     &supervisor_profile_path)) {
+    // Load supervisor profile.
+    g_browser_process->profile_manager()->CreateProfileAsync(
+        supervisor_profile_path,
+        base::Bind(&SigninCreateProfileHandler::LoadSupervisorProfileCallback,
+                   weak_ptr_factory_.GetWeakPtr(), name, icon_url,
+                   create_shortcut, supervised_user_id),
+        base::string16(), std::string(), std::string());
+  } else {
+    DoCreateProfile(name, icon_url, create_shortcut, std::string(), nullptr);
+  }
+#else
+  DoCreateProfile(name, icon_url, create_shortcut, std::string(), nullptr);
 #endif
+}
 
+void SigninCreateProfileHandler::DoCreateProfile(const base::string16& name,
+    const std::string& icon_url,
+    bool create_shortcut,
+    const std::string& supervised_user_id,
+    Profile* supervisor_profile) {
   ProfileMetrics::LogProfileAddNewUser(ProfileMetrics::ADD_NEW_USER_DIALOG);
 
   profile_path_being_created_ = ProfileManager::CreateMultiProfileAsync(
       name, icon_url,
-      base::Bind(&CreateProfileHandler::OnProfileCreated,
+      base::Bind(&SigninCreateProfileHandler::OnProfileCreated,
                  weak_ptr_factory_.GetWeakPtr(),
                  create_shortcut,
-                 helper::GetDesktopType(web_ui()),
-                 supervised_user_id),
+                 options::helper::GetDesktopType(web_ui()),
+                 supervised_user_id,
+                 supervisor_profile),
       supervised_user_id);
 }
 
-void CreateProfileHandler::OnProfileCreated(
+void SigninCreateProfileHandler::OnProfileCreated(
     bool create_shortcut,
     chrome::HostDesktopType desktop_type,
     const std::string& supervised_user_id,
+    Profile* supervisor_profile,
     Profile* profile,
     Profile::CreateStatus status) {
   if (status != Profile::CREATE_STATUS_CREATED)
     RecordProfileCreationMetrics(status);
 
   switch (status) {
     case Profile::CREATE_STATUS_LOCAL_FAIL: {
       ShowProfileCreationError(profile, GetProfileCreationErrorMessageLocal());
       break;
     }
     case Profile::CREATE_STATUS_CREATED: {
       // Do nothing for an intermediate status.
       break;
     }
     case Profile::CREATE_STATUS_INITIALIZED: {
       HandleProfileCreationSuccess(create_shortcut, desktop_type,
-                                   supervised_user_id, profile);
+                                   supervised_user_id, supervisor_profile,
+                                   profile);
       break;
     }
     // User-initiated cancellation is handled in CancelProfileRegistration and
     // does not call this callback.
     case Profile::CREATE_STATUS_CANCELED:
     // Supervised user registration errors are handled in
     // OnSupervisedUserRegistered().
     case Profile::CREATE_STATUS_REMOTE_FAIL:
     case Profile::MAX_CREATE_STATUS: {
       NOTREACHED();
       break;
     }
   }
 }
 
-void CreateProfileHandler::HandleProfileCreationSuccess(
+void SigninCreateProfileHandler::HandleProfileCreationSuccess(
     bool create_shortcut,
     chrome::HostDesktopType desktop_type,
     const std::string& supervised_user_id,
+    Profile* supervisor_profile,
     Profile* profile) {
   switch (profile_creation_type_) {
     case NON_SUPERVISED_PROFILE_CREATION: {
       DCHECK(supervised_user_id.empty());
       CreateShortcutAndShowSuccess(create_shortcut, desktop_type, profile);
       break;
     }
 #if defined(ENABLE_SUPERVISED_USERS)
     case SUPERVISED_PROFILE_CREATION:
     case SUPERVISED_PROFILE_IMPORT:
       RegisterSupervisedUser(create_shortcut, desktop_type,
-                             supervised_user_id, profile);
+                             supervised_user_id, supervisor_profile, profile);
       break;
 #endif
     case NO_CREATION_IN_PROGRESS:
       NOTREACHED();
       break;
   }
 }
 
-void CreateProfileHandler::CreateShortcutAndShowSuccess(
+void SigninCreateProfileHandler::CreateShortcutAndShowSuccess(
     bool create_shortcut,
     chrome::HostDesktopType desktop_type,
     Profile* profile) {
   if (create_shortcut) {
     ProfileShortcutManager* shortcut_manager =
         g_browser_process->profile_manager()->profile_shortcut_manager();
 
     if (shortcut_manager)
       shortcut_manager->CreateProfileShortcut(profile->GetPath());
   }
@@ skipping 21 matching lines @@
   // the new window now.
   bool should_open_new_window = true;
 #if defined(ENABLE_SUPERVISED_USERS)
   if (profile_creation_type_ == SUPERVISED_PROFILE_CREATION)
     should_open_new_window = false;
 #endif
 
   if (should_open_new_window) {
     // Opening the new window must be the last action, after all callbacks
     // have been run, to give them a chance to initialize the profile.
-    helper::OpenNewWindowForProfile(desktop_type,
+    options::helper::OpenNewWindowForProfile(desktop_type,
                                     profile,
                                     Profile::CREATE_STATUS_INITIALIZED);
   }
   profile_creation_type_ = NO_CREATION_IN_PROGRESS;
 }
 
-void CreateProfileHandler::ShowProfileCreationError(
+void SigninCreateProfileHandler::ShowProfileCreationError(
     Profile* profile,
     const base::string16& error) {
   DCHECK_NE(NO_CREATION_IN_PROGRESS, profile_creation_type_);
   profile_creation_type_ = NO_CREATION_IN_PROGRESS;
   profile_path_being_created_.clear();
   web_ui()->CallJavascriptFunction(
       GetJavascriptMethodName(PROFILE_CREATION_ERROR),
       base::StringValue(error));
   // The ProfileManager calls us back with a NULL profile in some cases.
   if (profile)
-    helper::DeleteProfileAtPath(profile->GetPath(), web_ui());
+    options::helper::DeleteProfileAtPath(profile->GetPath(), web_ui());
 }
 
-void CreateProfileHandler::RecordProfileCreationMetrics(
+void SigninCreateProfileHandler::RecordProfileCreationMetrics(
     Profile::CreateStatus status) {
   UMA_HISTOGRAM_ENUMERATION("Profile.CreateResult",
                             status,
                             Profile::MAX_CREATE_STATUS);
   UMA_HISTOGRAM_MEDIUM_TIMES(
       "Profile.CreateTimeNoTimeout",
       base::TimeTicks::Now() - profile_creation_start_time_);
 }
 
-base::string16 CreateProfileHandler::GetProfileCreationErrorMessageLocal()
+base::string16 SigninCreateProfileHandler::GetProfileCreationErrorMessageLocal()
     const {
   int message_id = IDS_PROFILES_CREATE_LOCAL_ERROR;
 #if defined(ENABLE_SUPERVISED_USERS)
   // Local errors can occur during supervised profile import.
   if (profile_creation_type_ == SUPERVISED_PROFILE_IMPORT)
     message_id = IDS_LEGACY_SUPERVISED_USER_IMPORT_LOCAL_ERROR;
 #endif
   return l10n_util::GetStringUTF16(message_id);
 }
 
 #if defined(ENABLE_SUPERVISED_USERS)
-base::string16 CreateProfileHandler::GetProfileCreationErrorMessageRemote()
+base::string16 SigninCreateProfileHandler::GetProfileCreateErrorMessageRemote()
     const {
   return l10n_util::GetStringUTF16(
       profile_creation_type_ == SUPERVISED_PROFILE_IMPORT ?
           IDS_LEGACY_SUPERVISED_USER_IMPORT_REMOTE_ERROR :
           IDS_PROFILES_CREATE_REMOTE_ERROR);
 }
 
-base::string16 CreateProfileHandler::GetProfileCreationErrorMessageSignin()
+base::string16 SigninCreateProfileHandler::GetProfileCreateErrorMessageSignin()
     const {
   return l10n_util::GetStringUTF16(
       profile_creation_type_ == SUPERVISED_PROFILE_IMPORT ?
           IDS_LEGACY_SUPERVISED_USER_IMPORT_SIGN_IN_ERROR :
           IDS_PROFILES_CREATE_SIGN_IN_ERROR);
 }
 #endif
 
-std::string CreateProfileHandler::GetJavascriptMethodName(
+std::string SigninCreateProfileHandler::GetJavascriptMethodName(
     ProfileCreationStatus status) const {
   switch (profile_creation_type_) {
 #if defined(ENABLE_SUPERVISED_USERS)
     case SUPERVISED_PROFILE_IMPORT:
       switch (status) {
         case PROFILE_CREATION_SUCCESS:
           return "BrowserOptions.showSupervisedUserImportSuccess";
         case PROFILE_CREATION_ERROR:
           return "BrowserOptions.showSupervisedUserImportError";
       }
       break;
 #endif
     default:
       switch (status) {
         case PROFILE_CREATION_SUCCESS:
-          return "BrowserOptions.showCreateProfileSuccess";
+          return "cr.ui.ProfileApi.onCreateProfileSuccess";
         case PROFILE_CREATION_ERROR:
-          return "BrowserOptions.showCreateProfileError";
+          return "cr.ui.ProfileApi.onCreateProfileError";
       }
       break;
   }
 
   NOTREACHED();
   return std::string();
 }
 
 #if defined(ENABLE_SUPERVISED_USERS)
-bool CreateProfileHandler::ProcessSupervisedCreateProfileArgs(
-    const base::ListValue* args, std::string* supervised_user_id) {
+bool SigninCreateProfileHandler::GetSupervisedCreateProfileArgs(
+    const base::ListValue* args, std::string* supervised_user_id,
+    base::FilePath* supervisor_profile_path) {
   bool supervised_user = false;
-  if (args->GetSize() >= 5) {
-      bool success = args->GetBoolean(3, &supervised_user);
-      DCHECK(success);
+  if (args->GetSize() >= 6) {
+      DCHECK(args->GetBoolean(3, &supervised_user));
+      DCHECK(args->GetString(4, supervised_user_id));
+      const base::Value* profile_path_value;
+      DCHECK(args->Get(5, &profile_path_value));
+      DCHECK(base::GetValueAsFilePath(*profile_path_value,
+                                      supervisor_profile_path));
+  }
+  return supervised_user;
+}
 
-      success = args->GetString(4, supervised_user_id);
-      DCHECK(success);
-  }
 
-  if (supervised_user) {
-    if (!IsValidExistingSupervisedUserId(*supervised_user_id))
-      return false;
+void SigninCreateProfileHandler::LoadSupervisorProfileCallback(
+  const base::string16& name,
+  const std::string& icon_url,
+  bool create_shortcut,
+  const std::string& supervised_user_id,
+  Profile* supervisor_profile,
+  Profile::CreateStatus status) {
 
-    profile_creation_type_ = SUPERVISED_PROFILE_IMPORT;
-    if (supervised_user_id->empty()) {
+  // This method gets called once before with Profile::CREATE_STATUS_CREATED.
+  // We are only interested in Profile::CREATE_STATUS_INITIALIZED when
+  // everything is ready. Ignore Profile::CREATE_STATUS_CREATED.
+  if (status == Profile::CREATE_STATUS_INITIALIZED) {
+
+    // TODO(mahmadi): display proper error message to the user.
+    PrefService* prefs = supervisor_profile->GetPrefs();
+    if (!prefs->GetBoolean(prefs::kSupervisedUserCreationAllowed))
+      return;
+
+    if (!supervised_user_id.empty()) {
+
+      profile_creation_type_ = SUPERVISED_PROFILE_IMPORT;
+
+      SupervisedUserSyncService* supervised_user_sync_service =
+          SupervisedUserSyncServiceFactory::GetForProfile(supervisor_profile);
+      if (supervised_user_sync_service) {
+        supervised_user_sync_service->GetSupervisedUsersAsync(
+            base::Bind(
+                &SigninCreateProfileHandler::IsValidExistingSupervisedUser,
+                weak_ptr_factory_.GetWeakPtr(), name, icon_url,
+                create_shortcut, supervised_user_id, supervisor_profile));
+      }
+    } else {
+
       profile_creation_type_ = SUPERVISED_PROFILE_CREATION;
-      *supervised_user_id =
+      std::string new_supervised_user_id =
           SupervisedUserRegistrationUtility::GenerateNewSupervisedUserId();
 
       // If sync is not yet fully initialized, the creation may take extra time,
       // so show a message. Import doesn't wait for an acknowledgment, so it
       // won't have the same potential delay.
       ProfileSyncService* sync_service =
           ProfileSyncServiceFactory::GetInstance()->GetForProfile(
-              Profile::FromWebUI(web_ui()));
+              supervisor_profile);
       ProfileSyncService::SyncStatusSummary status =
           sync_service->QuerySyncStatusSummary();
       if (status == ProfileSyncService::DATATYPES_NOT_INITIALIZED) {
         ShowProfileCreationWarning(l10n_util::GetStringUTF16(
             IDS_PROFILES_CREATE_SUPERVISED_JUST_SIGNED_IN));
       }
+
+      DoCreateProfile(name, icon_url, create_shortcut, new_supervised_user_id,
+          supervisor_profile);
     }
   }
-  return true;
 }
 
-void CreateProfileHandler::HandleCancelProfileCreation(
+void SigninCreateProfileHandler::IsValidExistingSupervisedUser(

[Roger Tawa OOO till Jul 10th, 2016/01/27 19:13:26]

I would expect this method to return a bool given its name.  Maybe call it
DoCreateProfileIfPossible ?

[Moe, 2016/01/29 14:42:57]

Done.

+    const base::string16& name,
+    const std::string& icon_url,
+    bool create_shortcut,
+    const std::string& supervised_user_id,
+    Profile* supervisor_profile,
+    const base::DictionaryValue* dict) {
+  DCHECK(dict);
+  if (!dict->HasKey(supervised_user_id))
+    return;
+
+  // Check if this supervised user already exists on this machine.
+  const ProfileInfoCache& cache =
+      g_browser_process->profile_manager()->GetProfileInfoCache();
+  for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
+    if (supervised_user_id == cache.GetSupervisedUserIdOfProfileAtIndex(i))
+      return;
+  }
+
+  DoCreateProfile(name, icon_url, create_shortcut, supervised_user_id,
+    supervisor_profile);
+}
+
+void SigninCreateProfileHandler::HandleCancelProfileCreation(
     const base::ListValue* args) {
   CancelProfileRegistration(true);
 }
 
 // Non-supervised user creation cannot be canceled. (Creating a non-supervised
 // profile shouldn't take significant time, and it can easily be deleted
 // afterward.)
-void CreateProfileHandler::CancelProfileRegistration(bool user_initiated) {
+void SigninCreateProfileHandler::CancelProfileRegistration(
+      bool user_initiated) {
   if (profile_path_being_created_.empty())
     return;
 
   ProfileManager* manager = g_browser_process->profile_manager();
   Profile* new_profile = manager->GetProfileByPath(profile_path_being_created_);
   if (!new_profile || !new_profile->IsSupervised())
     return;
 
   DCHECK(supervised_user_registration_utility_.get());
   supervised_user_registration_utility_.reset();
 
   if (user_initiated) {
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "Profile.CreateTimeCanceledNoTimeout",
         base::TimeTicks::Now() - profile_creation_start_time_);
     RecordProfileCreationMetrics(Profile::CREATE_STATUS_CANCELED);
   }
 
   DCHECK_NE(NO_CREATION_IN_PROGRESS, profile_creation_type_);
   profile_creation_type_ = NO_CREATION_IN_PROGRESS;
 
-  // Cancelling registration means the callback passed into
+  // Canceling registration means the callback passed into
   // RegisterAndInitSync() won't be called, so the cleanup must be done here.
   profile_path_being_created_.clear();
-  helper::DeleteProfileAtPath(new_profile->GetPath(), web_ui());
+  options::helper::DeleteProfileAtPath(new_profile->GetPath(), web_ui());
 }
 
-void CreateProfileHandler::RegisterSupervisedUser(
+void SigninCreateProfileHandler::RegisterSupervisedUser(
     bool create_shortcut,
     chrome::HostDesktopType desktop_type,
     const std::string& supervised_user_id,
+    Profile* supervisor_profile,
     Profile* new_profile) {
   DCHECK_EQ(profile_path_being_created_.value(),
             new_profile->GetPath().value());
 
   SupervisedUserService* supervised_user_service =
       SupervisedUserServiceFactory::GetForProfile(new_profile);
 
   // Register the supervised user using the profile of the custodian.
   supervised_user_registration_utility_ =
-      SupervisedUserRegistrationUtility::Create(Profile::FromWebUI(web_ui()));
+      SupervisedUserRegistrationUtility::Create(supervisor_profile);
   supervised_user_service->RegisterAndInitSync(
       supervised_user_registration_utility_.get(),
-      Profile::FromWebUI(web_ui()),
+      supervisor_profile,
       supervised_user_id,
-      base::Bind(&CreateProfileHandler::OnSupervisedUserRegistered,
+      base::Bind(&SigninCreateProfileHandler::OnSupervisedUserRegistered,
                  weak_ptr_factory_.GetWeakPtr(),
                  create_shortcut,
                  desktop_type,
                  new_profile));
 }
 
-void CreateProfileHandler::OnSupervisedUserRegistered(
+void SigninCreateProfileHandler::OnSupervisedUserRegistered(
     bool create_shortcut,
     chrome::HostDesktopType desktop_type,
     Profile* profile,
     const GoogleServiceAuthError& error) {
   GoogleServiceAuthError::State state = error.state();
   RecordSupervisedProfileCreationMetrics(state);
   if (state == GoogleServiceAuthError::NONE) {
     CreateShortcutAndShowSuccess(create_shortcut, desktop_type, profile);
     return;
   }
 
   base::string16 error_msg;
   if (state == GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS ||
       state == GoogleServiceAuthError::USER_NOT_SIGNED_UP ||
       state == GoogleServiceAuthError::ACCOUNT_DELETED ||
       state == GoogleServiceAuthError::ACCOUNT_DISABLED) {
-    error_msg = GetProfileCreationErrorMessageSignin();
+    error_msg = GetProfileCreateErrorMessageSignin();
   } else {
-    error_msg = GetProfileCreationErrorMessageRemote();
+    error_msg = GetProfileCreateErrorMessageRemote();
   }
   ShowProfileCreationError(profile, error_msg);
 }
 
-void CreateProfileHandler::ShowProfileCreationWarning(
+void SigninCreateProfileHandler::ShowProfileCreationWarning(
     const base::string16& warning) {
   DCHECK_EQ(SUPERVISED_PROFILE_CREATION, profile_creation_type_);
-  web_ui()->CallJavascriptFunction("BrowserOptions.showCreateProfileWarning",
+  web_ui()->CallJavascriptFunction("cr.ui.ProfileApi.onCreateProfileWarning",
                                    base::StringValue(warning));
 }
 
-void CreateProfileHandler::RecordSupervisedProfileCreationMetrics(
+void SigninCreateProfileHandler::RecordSupervisedProfileCreationMetrics(
     GoogleServiceAuthError::State error_state) {
   if (profile_creation_type_ == SUPERVISED_PROFILE_CREATION) {
     UMA_HISTOGRAM_ENUMERATION("Profile.SupervisedProfileCreateError",
                               error_state,
                               GoogleServiceAuthError::NUM_STATES);
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "Profile.SupervisedProfileTotalCreateTime",
         base::TimeTicks::Now() - profile_creation_start_time_);
   } else {
     DCHECK_EQ(SUPERVISED_PROFILE_IMPORT, profile_creation_type_);
     UMA_HISTOGRAM_ENUMERATION("Profile.SupervisedProfileImportError",
                               error_state,
                               GoogleServiceAuthError::NUM_STATES);
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "Profile.SupervisedProfileTotalImportTime",
         base::TimeTicks::Now() - profile_creation_start_time_);
   }
 }
 
-bool CreateProfileHandler::IsValidExistingSupervisedUserId(
-    const std::string& existing_supervised_user_id) const {
-  if (existing_supervised_user_id.empty())
-    return true;
-
-  Profile* profile = Profile::FromWebUI(web_ui());
-  const base::DictionaryValue* dict =
-      SupervisedUserSyncServiceFactory::GetForProfile(profile)->
-          GetSupervisedUsers();
-  if (!dict->HasKey(existing_supervised_user_id))
-    return false;
-
-  // Check if this supervised user already exists on this machine.
-  const ProfileInfoCache& cache =
-      g_browser_process->profile_manager()->GetProfileInfoCache();
-  for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
-    if (existing_supervised_user_id ==
-            cache.GetSupervisedUserIdOfProfileAtIndex(i))
-      return false;
-  }
-  return true;
-}
 #endif
-
-}  // namespace options