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

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 60f105a0ca2d2010d75d0abe7cd1a424f4a7b659..e2569be96b426e5569cc3f21ceffc566b32788ed 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -84,6 +84,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_ui_prefs.h"
+#include "chrome/browser/ui/startup/default_browser_prompt.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/browser/ui/uma_browsing_activity_observer.h"
 #include "chrome/browser/ui/user_data_dir_dialog.h"
@@ -1684,6 +1685,11 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
 
     chrome::SetNewHomePagePrefs(profile_->GetPrefs());
     browser_process_->profile_manager()->OnImportFinished(profile_);
+
+    if (!master_prefs_->suppress_first_run_default_browser_prompt)
+      chrome::ShowFirstRunDefaultBrowserPrompt(profile_);
+    else
+      browser_creator_->set_suppressed_set_as_default_dialog(true);
   }  // if (is_first_run_)
 
 #if defined(OS_WIN)