Adds the cmdline "--new-window" that instructs the init sequence...

chrome/browser/browser_init.cc

 // Copyright (c) 2009 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/browser_init.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/event_recorder.h"
 #include "base/path_service.h"
@@ skipping 421 matching lines @@
     std::vector<GURL> urls_to_open = GetURLsFromCommandLine(profile_);
     RecordLaunchModeHistogram(urls_to_open.empty()?
                               LM_TO_BE_DECIDED : LM_WITH_URLS);
     // Always attempt to restore the last session. OpenStartupURLs only opens
     // the home pages if no additional URLs were passed on the command line.
     if (!OpenStartupURLs(process_startup, urls_to_open)) {
       // Add the home page and any special first run URLs.
       Browser* browser = NULL;
       if (urls_to_open.empty())
         AddStartupURLs(&urls_to_open);
-      else
+      else if (!command_line_.HasSwitch(switches::kOpenInNewWindow))
         browser = BrowserList::GetLastActive();
+
       OpenURLsInBrowser(browser, process_startup, urls_to_open);
     }
     if (process_startup) {
       if (browser_defaults::kOSSupportsOtherBrowsers &&
           !command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
         // Check whether we are the default browser.
         CheckDefaultBrowser(profile);
       }
 #if defined(OS_MACOSX)
       // Check whether the auto-update system needs to be promoted from user
@@ skipping 398 matching lines @@
   scoped_refptr<AutomationProviderClass> automation =
       new AutomationProviderClass(profile);
   automation->ConnectToChannel(channel_id);
   automation->SetExpectedTabCount(expected_tabs);
 
   AutomationProviderList* list =
       g_browser_process->InitAutomationProviderList();
   DCHECK(list);
   list->AddProvider(automation);
 }