Implement newly designed sign-in related histograms for desktop platorms.

chrome/browser/ui/webui/settings/sync_handler.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_SYNC_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SYNC_HANDLER_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/scoped_observer.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/sync/sync_startup_tracker.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "components/sync_driver/sync_service_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 class LoginUIService;
 class ProfileSyncService;
 class SigninManagerBase;
 
 namespace content {
 class WebContents;
 class WebUI;
 }
 
+namespace signin_metrics {
+enum class AccessPoint : int;
+}
+
 namespace settings {
 
 class SyncHandler : public content::WebUIMessageHandler,
                     public SigninManagerBase::Observer,
                     public SyncStartupTracker::Observer,
                     public LoginUIService::LoginUI,
                     public sync_driver::SyncServiceObserver {
  public:
   explicit SyncHandler(Profile* profile);
   ~SyncHandler() override;
@@ skipping 13 matching lines @@
   void GoogleSigninSucceeded(const std::string& account_id,
                              const std::string& username,
                              const std::string& password) override;
   void GoogleSignedOut(const std::string& account_id,
                        const std::string& username) override;
 
   // sync_driver::SyncServiceObserver implementation.
   void OnStateChanged() override;
 
   // Initializes the sync setup flow and shows the setup UI.
-  void OpenSyncSetup();
+  void OpenSyncSetup(const base::ListValue* args);
 
   // Shows advanced configuration dialog without going through sign in dialog.
   // Kicks the sync backend if necessary with showing spinner dialog until it
   // gets ready.
   void OpenConfigureSync();
 
   // Terminates the sync setup flow.
   void CloseSyncSetup();
 
   // Returns a newly created dictionary with a number of properties that
@@ skipping 46 matching lines @@
   void HandlePassphraseCancel(const base::ListValue* args);
   void HandleShowSetupUI(const base::ListValue* args);
   void HandleDoSignOutOnAuthError(const base::ListValue* args);
   void HandleStartSignin(const base::ListValue* args);
   void HandleStopSyncing(const base::ListValue* args);
   void HandleCloseTimeout(const base::ListValue* args);
   void HandleGetSyncStatus(const base::ListValue* args);
 
 #if !defined(OS_CHROMEOS)
   // Displays the GAIA login form.
-  void DisplayGaiaLogin();
+  void DisplayGaiaLogin(signin_metrics::AccessPoint access_point);
 
   // When web-flow is enabled, displays the Gaia login form in a new tab.
   // This function is virtual so that tests can override.
-  virtual void DisplayGaiaLoginInNewTabOrWindow();
+  virtual void DisplayGaiaLoginInNewTabOrWindow(
+      signin_metrics::AccessPoint access_point);
 #endif
 
   // A utility function to call before actually showing setup dialog. Makes sure
   // that a new dialog can be shown and sets flag that setup is in progress.
   bool PrepareSyncSetup();
 
   // Displays spinner-only UI indicating that something is going on in the
   // background.
   // TODO(kochi): better to show some message that the user can understand what
   // is running in the background.
@@ skipping 41 matching lines @@
 
   // Manages observer lifetime.
   ScopedObserver<ProfileSyncService, SyncHandler> sync_service_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SYNC_HANDLER_H_