try again to fix compile w/ unused variables ......

webkit/tools/test_shell/test_shell_main.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 "base/at_exit.h"
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/event_recorder.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 66 matching lines @@
        parsed_command_line.HasSwitch(test_shell::kNoErrorDialogs) ||
        parsed_command_line.HasSwitch(test_shell::kLayoutTests));
   bool layout_test_mode =
       parsed_command_line.HasSwitch(test_shell::kLayoutTests);
   bool ux_theme = parsed_command_line.HasSwitch(test_shell::kUxTheme);
   bool classic_theme =
       parsed_command_line.HasSwitch(test_shell::kClassicTheme);
 #if defined(OS_WIN)
   bool generic_theme = (layout_test_mode && !ux_theme && !classic_theme) ||
       parsed_command_line.HasSwitch(test_shell::kGenericTheme);
+#else
+  // Stop compiler warnings about unused variables.
+  ux_theme = ux_theme;
 #endif
 
   bool enable_gp_fault_error_box = false;
   enable_gp_fault_error_box =
       parsed_command_line.HasSwitch(test_shell::kGPFaultErrorBox);
   TestShell::InitLogging(suppress_error_dialogs,
                          layout_test_mode,
                          enable_gp_fault_error_box);
 
   // Initialize WebKit for this scope.
@@ skipping 255 matching lines @@
 
   TestShell::ShutdownTestShell();
   TestShell::CleanupLogging();
 
   // Tear down shared StatsTable; prevents unit_tests from leaking it.
   StatsTable::set_current(NULL);
   delete table;
 
   return 0;
 }