Adds browser preferences to configure first-run flow on Windows 8.

chrome/browser/ui/startup/startup_browser_creator_impl.cc

 // 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.
 
 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
@@ skipping 344 matching lines @@
     // be an app tab.
     OpenApplicationTab(profile);
 
     // In case of app mode + session restore we want to focus that app.
     if (app_contents_observer.contents())
       app_contents_observer.contents()->GetView()->SetInitialFocus();
 
     if (process_startup) {
       if (browser_defaults::kOSSupportsOtherBrowsers &&
           !command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
-        if (!chrome::ShowAutolaunchPrompt(profile))
-          chrome::ShowDefaultBrowserPrompt(profile);
+        if (!chrome::ShowAutolaunchPrompt(profile)) {
+          bool permit_prompt_on_first_run = browser_creator_ &&
+              browser_creator_->get_suppressed_set_as_default_dialog();
+          chrome::ShowDefaultBrowserPrompt(profile,
+                                           permit_prompt_on_first_run);
+        }
       }
 #if defined(OS_MACOSX)
       // Check whether the auto-update system needs to be promoted from user
       // to system.
       KeystoneInfoBar::PromotionInfoBar(profile);
 #endif
     }
   }
 
   // If we're recording or playing back, startup the EventRecorder now
@@ skipping 528 matching lines @@
         // New:
         prefs->GetString(prefs::kHomePage),
         prefs->GetBoolean(prefs::kHomePageIsNewTabPage),
         prefs->GetBoolean(prefs::kShowHomeButton),
         // Backup:
         backup_homepage,
         backup_homepage_is_ntp,
         backup_show_home_button));
   }
 }