Instrument "Remove this person" in user manager.

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

 // Copyright 2013 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/signin/user_manager_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 57 matching lines @@
 const char kKeyNeedsSignin[] = "needsSignin";
 
 // JS API callback names.
 const char kJsApiUserManagerInitialize[] = "userManagerInitialize";
 const char kJsApiUserManagerAddUser[] = "addUser";
 const char kJsApiUserManagerAuthLaunchUser[] = "authenticatedLaunchUser";
 const char kJsApiUserManagerLaunchGuest[] = "launchGuest";
 const char kJsApiUserManagerLaunchUser[] = "launchUser";
 const char kJsApiUserManagerRemoveUser[] = "removeUser";
 const char kJsApiUserManagerAttemptUnlock[] = "attemptUnlock";
+const char kJsApiUserManagerShowRemoveUserWarning[] = "showRemoveUserWarning";
 
 const size_t kAvatarIconSize = 180;
 
 void HandleAndDoNothing(const base::ListValue* args) {
 }
 
 // This callback is run if the only profile has been deleted, and a new
 // profile has been created to replace it.
 void OpenNewWindowForProfile(
     chrome::HostDesktopType desktop_type,
@@ skipping 439 matching lines @@
 void UserManagerScreenHandler::HandleHardlockUserPod(
     const base::ListValue* args) {
   std::string email;
   CHECK(args->GetString(0, &email));
   SetAuthType(email,
               ScreenlockBridge::LockHandler::FORCE_OFFLINE_PASSWORD,
               base::string16());
   HideUserPodCustomIcon(email);
 }
 
+void UserManagerScreenHandler::HandleShowRemoveUserWarning(
+    const base::ListValue* args) {
+  ProfileMetrics::LogProfileDeleteUser(
+      ProfileMetrics::DELETE_PROFILE_USER_MANAGER_SHOW_WARNING);
+}
+
 void UserManagerScreenHandler::OnClientLoginSuccess(
     const ClientLoginResult& result) {
   LocalAuth::SetLocalAuthCredentials(authenticating_profile_index_,
                                      password_attempt_);
   ReportAuthenticationResult(true, ProfileMetrics::AUTH_ONLINE);
 }
 
 void UserManagerScreenHandler::OnClientLoginFailure(
     const GoogleServiceAuthError& error) {
   const GoogleServiceAuthError::State state = error.state();
@@ skipping 40 matching lines @@
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(kJsApiUserManagerLaunchUser,
       base::Bind(&UserManagerScreenHandler::HandleLaunchUser,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(kJsApiUserManagerRemoveUser,
       base::Bind(&UserManagerScreenHandler::HandleRemoveUser,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(kJsApiUserManagerAttemptUnlock,
       base::Bind(&UserManagerScreenHandler::HandleAttemptUnlock,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(kJsApiUserManagerShowRemoveUserWarning,
+      base::Bind(&UserManagerScreenHandler::HandleShowRemoveUserWarning,
+                 base::Unretained(this)));
 
   const content::WebUI::MessageCallback& kDoNothingCallback =
       base::Bind(&HandleAndDoNothing);
 
   // Unused callbacks from screen_account_picker.js
   web_ui()->RegisterMessageCallback("accountPickerReady", kDoNothingCallback);
   web_ui()->RegisterMessageCallback("loginUIStateChanged", kDoNothingCallback);
   web_ui()->RegisterMessageCallback("hideCaptivePortal", kDoNothingCallback);
   web_ui()->RegisterMessageCallback("getTouchViewState", kDoNothingCallback);
   // Unused callbacks from display_manager.js
@@ skipping 234 matching lines @@
     Profile* profile, Profile::CreateStatus profile_create_status) {
   Browser* browser = chrome::FindAnyBrowser(profile, false, desktop_type_);
   if (browser && browser->window()) {
     OnBrowserWindowReady(browser);
   } else {
     registrar_.Add(this,
                    chrome::NOTIFICATION_BROWSER_WINDOW_READY,
                    content::NotificationService::AllSources());
   }
 }