Show an infobar when the user is using an unsupported flag.

chrome/browser/browser_init.h

 // 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.
 
 #ifndef CHROME_BROWSER_BROWSER_INIT_H_
 #define CHROME_BROWSER_BROWSER_INIT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 97 matching lines @@
     //   urls_to_open is empty, the user specified set of URLs is openned.
     //
     // Otherwise false is returned.
     bool OpenStartupURLs(bool is_process_startup,
                          const std::vector<GURL>& urls_to_open);
 
     // If the last session didn't exit cleanly and tab is a web contents tab,
     // an infobar is added allowing the user to restore the last session.
     void AddCrashedInfoBarIfNecessary(TabContents* tab);
 
+    // If we have been started with unsupported flags like --single-process,
+    // politely nag the user about it.
+    void AddBadFlagsInfoBarIfNecessary(TabContents* tab);
+
     // Returns the list of URLs to open from the command line. The returned
     // vector is empty if the user didn't specify any URLs on the command line.
     std::vector<GURL> GetURLsFromCommandLine(Profile* profile);
 
     // Adds additional startup URLs to the specified vector.
     void AddStartupURLs(std::vector<GURL>* startup_urls) const;
 
     // Checks whether Chrome is still the default browser (unless the user
     // previously instructed not to do so) and warns the user if it is not.
     void CheckDefaultBrowser(Profile* profile);
@@ skipping 11 matching lines @@
                                  bool process_startup, Profile* profile,
                                  int* return_code, BrowserInit* browser_init);
 
   // Additional tabs to open during first run.
   std::vector<GURL> first_run_tabs_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserInit);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_INIT_H_