Cleanup a few FirstRun methods that are only applicable to Windows.

chrome/browser/first_run_gtk.cc

Index: chrome/browser/first_run_gtk.cc
diff --git a/chrome/browser/first_run_gtk.cc b/chrome/browser/first_run_gtk.cc
index 2c5d144025456d82f8e9fed178eb697a357a76dd..3d4a0916fb695fd3c007283ed31a3d3894dd50cd 100644
--- a/chrome/browser/first_run_gtk.cc
+++ b/chrome/browser/first_run_gtk.cc
@@ -10,24 +10,5 @@ bool OpenFirstRunDialog(Profile* profile, bool homepage_defined,
                         int import_items,
                         int dont_import_items,
                         ProcessSingleton* process_singleton) {
-  // TODO(port): Use process_singleton to make sure Chrome can not be started
-  // while this process is active.
   return FirstRunDialog::Show(profile, process_singleton);
 }
-
-bool FirstRun::ProcessMasterPreferences(const FilePath& user_data_dir,
-                                        const FilePath& master_prefs_path,
-                                        std::vector<std::wstring>* new_tabs,
-                                        int* ping_delay,
-                                        bool* homepage_defined,
-                                        int* do_import_items,
-                                        int* dont_import_items) {
-  // http://code.google.com/p/chromium/issues/detail?id=11971
-  return true;
-}
-
-// static
-int FirstRun::ImportNow(Profile* profile, const CommandLine& cmdline) {
-  // http://code.google.com/p/chromium/issues/detail?id=11971
-  return 0;
-}