[Clean-up] Remove some dead code for handling Webstore sign-in.

chrome/browser/ui/webui/signin/inline_login_handler_impl.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/inline_login_handler_impl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 158 matching lines @@
 
     OneClickSigninSyncStarter::ConfirmationRequired confirmation_required;
     if (confirm_untrusted_signin_) {
       confirmation_required =
           OneClickSigninSyncStarter::CONFIRM_UNTRUSTED_SIGNIN;
     } else if (is_new_avatar_menu) {
       confirmation_required = OneClickSigninSyncStarter::CONFIRM_AFTER_SIGNIN;
     } else {
       confirmation_required =
           source == signin::SOURCE_SETTINGS ||
-          source == signin::SOURCE_WEBSTORE_INSTALL ||
           choose_what_to_sync_ ?
               OneClickSigninSyncStarter::NO_CONFIRMATION :
               OneClickSigninSyncStarter::CONFIRM_AFTER_SIGNIN;
     }
 
     bool start_signin =
         !OneClickSigninHelper::HandleCrossAccountError(
             profile_, "",
             email, password_, refresh_token,
             OneClickSigninHelper::AUTO_ACCEPT_EXPLICIT,
@@ skipping 261 matching lines @@
       }
     }
 
     if (show_account_management) {
       browser->window()->ShowAvatarBubbleFromAvatarButton(
             BrowserWindow::AVATAR_BUBBLE_MODE_ACCOUNT_MANAGEMENT,
             signin::ManageAccountsParams());
     }
   }
 }