webkit: use string16 in webkit_glue.h

webkit/tools/test_shell/test_shell_gtk.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 "webkit/tools/test_shell/test_shell.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <fontconfig/fontconfig.h>
 #include <gtk/gtk.h>
@@ skipping 469 matching lines @@
   GtkWidget* window =
       gtk_widget_get_parent(gtk_widget_get_parent(drawing_area));
   gtk_widget_destroy(window);
 }
 
 void TestShell::ResizeSubViews() {
   // This function is used on Windows to re-layout the window on a resize.
   // GTK manages layout for us so we do nothing.
 }
 
-/* static */ void TestShell::DumpAllBackForwardLists(std::wstring* result) {
+/* static */ void TestShell::DumpAllBackForwardLists(string16* result) {
   result->clear();
   for (WindowList::iterator iter = TestShell::windowList()->begin();
        iter != TestShell::windowList()->end(); iter++) {
     GtkWindow* window = *iter;
     TestShell* shell =
         static_cast<TestShell*>(g_object_get_data(G_OBJECT(window),
                                                   "test-shell"));
     shell->DumpBackForwardList(result);
   }
 }
@@ skipping 151 matching lines @@
       resource_id = IDR_BROKENIMAGE_TESTSHELL;
       break;
     case IDR_TEXTAREA_RESIZER:
       resource_id = IDR_TEXTAREA_RESIZER_TESTSHELL;
       break;
   }
   return TestShell::NetResourceProvider(resource_id);
 }
 
 }  // namespace webkit_glue