Take 2 at this. The only change between this and the first is to add the GetT...

chrome/browser/automation/automation_provider.cc

Index: chrome/browser/automation/automation_provider.cc
===================================================================
--- chrome/browser/automation/automation_provider.cc	(revision 30237)
+++ chrome/browser/automation/automation_provider.cc	(working copy)
@@ -309,6 +309,7 @@
                                     WindowSimulateDrag)
 #endif  // defined(OS_WIN) || defined(OS_LINUX)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabCount, GetTabCount)
+    IPC_MESSAGE_HANDLER(AutomationMsg_Type, GetType)
     IPC_MESSAGE_HANDLER(AutomationMsg_Tab, GetTab)
 #if defined(OS_WIN)
     IPC_MESSAGE_HANDLER(AutomationMsg_TabHWND, GetTabHWND)
@@ -332,6 +333,8 @@
     IPC_MESSAGE_HANDLER(AutomationMsg_SetProxyConfig, SetProxyConfig);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_OpenNewBrowserWindow,
                                     OpenNewBrowserWindow)
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_OpenNewBrowserWindowOfType,
+                                    OpenNewBrowserWindowOfType)
     IPC_MESSAGE_HANDLER(AutomationMsg_WindowForBrowser, GetWindowForBrowser)
     IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditForBrowser,
                         GetAutocompleteEditForBrowser)
@@ -881,6 +884,15 @@
   }
 }
 
+void AutomationProvider::GetType(int handle, int* type_as_int) {
+  *type_as_int = -1;  // -1 is the error code
+
+  if (browser_tracker_->ContainsHandle(handle)) {
+    Browser* browser = browser_tracker_->GetResource(handle);
+    *type_as_int = static_cast<int>(browser->type());
+  }
+}
+
 void AutomationProvider::GetTab(int win_handle, int tab_index,
                                 int* tab_handle) {
   *tab_handle = 0;
@@ -1279,10 +1291,17 @@
 
 void AutomationProvider::OpenNewBrowserWindow(bool show,
                                               IPC::Message* reply_message) {
+  OpenNewBrowserWindowOfType(static_cast<int>(Browser::TYPE_NORMAL), show,
+                             reply_message);
+}
+
+void AutomationProvider::OpenNewBrowserWindowOfType(
+    int type, bool show, IPC::Message* reply_message) {
   new BrowserOpenedNotificationObserver(this, reply_message);
   // We may have no current browser windows open so don't rely on
   // asking an existing browser to execute the IDC_NEWWINDOW command
-  Browser* browser = Browser::Create(profile_);
+  Browser* browser = new Browser(static_cast<Browser::Type>(type), profile_);
+  browser->CreateBrowserWindow();
   browser->AddBlankTab(true);
   if (show)
     browser->window()->Show();