wstrings: convert CppVariant and CppBoundClass to not use wstring

webkit/glue/cpp_bound_class_unittest.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.
 
 // Tests for CppBoundClass, in conjunction with CppBindingExample.  Binds
 // a CppBindingExample class into JavaScript in a custom test shell and tests
 // the binding from the outside by loading JS into the shell.
 
 #include <vector>
 
@@ skipping 45 matching lines @@
 class ExampleTestShell : public TestShell {
  public:
 
   ExampleTestShell(bool use_fallback_method) {
     example_bound_class_.set_fallback_method_enabled(use_fallback_method);
   }
 
   // When called by WebViewDelegate::WindowObjectCleared method, this binds a
   // CppExampleObject to window.example.
   virtual void BindJSObjectsToWindow(WebFrame* frame) {
-    example_bound_class_.BindToJavascript(frame, L"example");
+    example_bound_class_.BindToJavascript(frame, "example");
     // We use the layoutTestController binding for notifyDone.
     TestShell::BindJSObjectsToWindow(frame);
   }
 
   // This is a public interface to TestShell's protected method, so it
   // can be called by our CreateEmptyWindow.
   bool PublicInitialize(const std::string& starting_url) {
     return Initialize(GURL(starting_url));
   }
 
@@ skipping 202 matching lines @@
 
 // Ensures existent methods can be invoked successfully when the fallback method
 // is used
 TEST_F(CppBoundClassWithFallbackMethodTest,
        InvokeExistentMethodsWithFallback) {
   std::string js = BuildJSCondition("example.echoValue(34)", "34");
   CheckJavaScriptSuccess(js);
 }
 
 }  // namespace