Hide the main window when Set-As-Default dialog is present.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1113 matching lines @@
       // If stats reporting was turned on by the first run dialog then toggle
       // the pref.
       if (GoogleUpdateSettings::GetCollectStatsConsent())
         local_state_->SetBoolean(prefs::kMetricsReportingEnabled, true);
 #endif  // OS_POSIX && !OS_CHROMEOS
     }  // if (!first_run_ui_bypass_)
 
     chrome::SetNewHomePagePrefs(profile_->GetPrefs());
     browser_process_->profile_manager()->OnImportFinished(profile_);
 
-    if (!master_prefs_->suppress_first_run_default_browser_prompt)
-      chrome::ShowFirstRunDefaultBrowserPrompt(profile_);
-    else
+    if (!master_prefs_->suppress_first_run_default_browser_prompt) {
+      browser_creator_->set_show_main_browser_window(
+          !chrome::ShowFirstRunDefaultBrowserPrompt(profile_));
+    } else {
       browser_creator_->set_is_default_browser_dialog_suppressed(true);
+    }
   }  // if (is_first_run_)
 
 #if defined(OS_WIN)
   // Sets things up so that if we crash from this point on, a dialog will
   // popup asking the user to restart chrome. It is done this late to avoid
   // testing against a bunch of special cases that are taken care early on.
   ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
       parsed_command_line());
 
   // Registers Chrome with the Windows Restart Manager, which will restore the
@@ skipping 376 matching lines @@
     if (base::win::GetVersion() <= base::win::VERSION_XP)
       uma_name += "_XP";
 
     uma_name += "_PreRead_";
     uma_name += pre_read_percentage;
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }