Use ASCII strings for switch names.

chrome/browser/printing/printing_layout_uitest.cc

 // Copyright (c) 2006-2009 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 "app/gfx/gdi_util.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/simple_thread.h"
 #include "base/win_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/automation/window_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "net/url_request/url_request_unittest.h"
 #include "printing/image.h"
 #include "printing/printing_test.h"
 #include "printing/native_metafile.h"
 
 namespace {
 
 using printing::Image;
 
-const wchar_t* const kGenerateSwitch = L"print-layout-generate";
+const char kGenerateSwitch[] = "print-layout-generate";
 const wchar_t kDocRoot[] = L"chrome/test/data";
 
 class PrintingLayoutTest : public PrintingTest<UITest> {
  public:
   PrintingLayoutTest() {
     emf_path_ = browser_directory_;
     emf_path_ = emf_path_.AppendASCII("metafile_dumps");
-    launch_arguments_.AppendSwitchWithValue(L"debug-print",
+    launch_arguments_.AppendSwitchWithValue("debug-print",
                                             L'"' + emf_path_.value() + L'"');
     show_window_ = true;
   }
 
   virtual void SetUp() {
     // Make sure there is no left overs.
     CleanupDumpDirectory();
     UITest::SetUp();
   }
 
@@ skipping 400 matching lines @@
 
     // Force a navigation elsewhere to verify that it's fine with it.
     url = server->TestServerPage("files/printing/test1.html");
     EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
               tab_proxy->NavigateToURL(url));
   }
   CloseBrowserAndServer();
 
   EXPECT_EQ(0., CompareWithResult(L"iframe")) << L"iframe";
 }