[win8] Force browsers created with Chrome in Metro mode to be on the Ash desktop.

chrome/browser/ui/browser_commands.h

Index: chrome/browser/ui/browser_commands.h
diff --git a/chrome/browser/ui/browser_commands.h b/chrome/browser/ui/browser_commands.h
index 9976833c9617a040e87f505bdd46a06644983796..022e06c966e18a84b009f266143defeeb12e6308 100644
--- a/chrome/browser/ui/browser_commands.h
+++ b/chrome/browser/ui/browser_commands.h
@@ -58,6 +58,11 @@ void OpenWindowWithRestoredTabs(Profile* profile,
 void OpenURLOffTheRecord(Profile* profile, const GURL& url,
                          chrome::HostDesktopType desktop_type);
 
+// On Windows with Ash, checks whether Chrome is running in Metro mode and
+// returns HOST_DESKTOP_TYPE_ASH, to ensure all browsers are created in Metro
+// mode. Otherwise returns |desktop_type|.
+HostDesktopType GetVerifiedHostDesktopForBrowser(HostDesktopType desktop_type);
+
 bool CanGoBack(const Browser* browser);
 void GoBack(Browser* browser, WindowOpenDisposition disposition);
 bool CanGoForward(const Browser* browser);