Re-do the way browser windows are shown:...

chrome/browser/automation/automation_provider.cc

 // Copyright (c) 2006-2008 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/automation/automation_provider.h"
 
 #include "base/path_service.h"
 #include "chrome/app/chrome_dll_resource.h" 
 #include "chrome/browser/automation/automation_provider_list.h"
 #include "chrome/browser/automation/ui_controls.h"
@@ skipping 1936 matching lines @@
     download_directory = dlm->download_path();
   }
 
   Send(new AutomationMsg_DownloadDirectoryResponse(message.routing_id(),
                                                    download_directory));
 }
 
 void AutomationProvider::OpenNewBrowserWindow(int show_command) {
   // We may have no current browser windows open so don't rely on
   // asking an existing browser to execute the IDC_NEWWINDOW command
-  Browser::OpenNewBrowserWindow(profile_, show_command);
+  Browser* browser = Browser::Create(profile_);
+  browser->AddBlankTab(true);
+  if (show_command != SW_HIDE)
+    browser->window()->Show();
 }
 
 void AutomationProvider::GetWindowForBrowser(const IPC::Message& message,
                                              int browser_handle) {
   bool success = false;
   int window_handle = 0;
 
   if (browser_tracker_->ContainsHandle(browser_handle)) {
     Browser* browser = browser_tracker_->GetResource(browser_handle);
     HWND hwnd = browser->GetTopLevelHWND();
@@ skipping 556 matching lines @@
                                           int value) {
   bool success = false;
   if (browser_tracker_->ContainsHandle(handle)) {
     Browser* browser = browser_tracker_->GetResource(handle);
     browser->profile()->GetPrefs()->SetInteger(name.c_str(), value);
     success = true;
   }
   Send(new AutomationMsg_SetIntPreferenceResponse(message.routing_id(),
                                                   success));
 }