Enable web-based sign in flow by default. Can use command line argument

chrome/browser/ui/webui/sync_setup_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
@@ skipping 65 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, TestSyncEverything);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, TestSyncAllManually);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, TestPassphraseStillRequired);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, TestSyncIndividualTypes);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, TurnOnEncryptAll);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest,
                            UnrecoverableErrorInitializingSync);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, UnsuccessfullySetPassphrase);
   FRIEND_TEST_ALL_PREFIXES(SyncSetupHandlerTest, SubmitAuthWithInvalidUsername);
 
+  bool is_configuring_sync() const { return configuring_sync_; }
+  bool have_signin_tracker() const { return signin_tracker_; }
 
   // Subclasses must implement this to show the setup UI that's appropriate
   // for the page this is contained in.
   virtual void ShowSetupUI() = 0;
 
   // Overridden by subclasses (like SyncPromoHandler) to log stats about the
   // user's signin activity.
   virtual void RecordSignin();
 
   // Display the configure sync UI. If |show_advanced| is true, skip directly
@@ skipping 36 matching lines @@
   // Shows the GAIA login success page then exits.
   void DisplayGaiaSuccessAndClose();
 
   // Displays the GAIA login success page then transitions to sync setup.
   void DisplayGaiaSuccessAndSettingUp();
 
   // Displays the GAIA login form. If |fatal_error| is true, displays the fatal
   // error UI.
   void DisplayGaiaLogin(bool fatal_error);
 
+  // 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 DisplayGaiaLoginInNewTab();
+
   // Displays the GAIA login form with a custom error message (used for errors
   // like "email address already in use by another profile"). No message
   // displayed if |error_message| is empty. Displays fatal error UI if
   // |fatal_error| = true.
   void DisplayGaiaLoginWithErrorMessage(const string16& error_message,
                                         bool fatal_error);
 
   // 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();
@@ skipping 64 matching lines @@
   scoped_ptr<base::OneShotTimer<SyncSetupHandler> > backend_start_timer_;
 
   // When using web-flow, weak pointer to the tab that holds the Gaia sign in
   // page.
   content::WebContents* active_gaia_signin_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncSetupHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_SETUP_HANDLER_H_