wstrings: convert CppVariant and CppBoundClass to not use wstring

chrome/renderer/render_view.cc

 // Copyright (c) 2010 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 "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 1843 matching lines @@
                         replace);
 }
 
 void RenderView::BindDOMAutomationController(WebFrame* frame) {
   if (!dom_automation_controller_.get()) {
     dom_automation_controller_.reset(new DomAutomationController());
   }
   dom_automation_controller_->set_message_sender(this);
   dom_automation_controller_->set_routing_id(routing_id_);
   dom_automation_controller_->BindToJavascript(frame,
-                                               L"domAutomationController");
+                                               "domAutomationController");
 }
 
 bool RenderView::RunJavaScriptMessage(int type,
                                       const std::wstring& message,
                                       const std::wstring& default_value,
                                       const GURL& frame_url,
                                       std::wstring* result) {
   bool success = false;
   std::wstring result_temp;
   if (!result)
@@ skipping 1526 matching lines @@
 void RenderView::didClearWindowObject(WebFrame* frame) {
   if (BindingsPolicy::is_dom_automation_enabled(enabled_bindings_))
     BindDOMAutomationController(frame);
   GURL frame_url = frame->url();
   if (BindingsPolicy::is_dom_ui_enabled(enabled_bindings_) &&
       (frame_url.SchemeIs(chrome::kChromeUIScheme) ||
       frame_url.SchemeIs(chrome::kGearsScheme) ||
       frame_url.SchemeIs(chrome::kDataScheme))) {
     GetDOMUIBindings()->set_message_sender(this);
     GetDOMUIBindings()->set_routing_id(routing_id_);
-    GetDOMUIBindings()->BindToJavascript(frame, L"chrome");
+    GetDOMUIBindings()->BindToJavascript(frame, "chrome");
   }
   if (BindingsPolicy::is_external_host_enabled(enabled_bindings_)) {
     GetExternalHostBindings()->set_message_sender(this);
     GetExternalHostBindings()->set_routing_id(routing_id_);
-    GetExternalHostBindings()->BindToJavascript(frame, L"externalHost");
+    GetExternalHostBindings()->BindToJavascript(frame, "externalHost");
   }
 }
 
 void RenderView::didCreateDocumentElement(WebFrame* frame) {
   if (RenderThread::current()) {  // Will be NULL during unit tests.
     RenderThread::current()->user_script_slave()->InjectScripts(
         frame, UserScript::DOCUMENT_START);
   }
 
   // Notify the browser about non-blank documents loading in the top frame.
@@ skipping 2239 matching lines @@
   external_popup_menu_.reset();
 }
 #endif
 
 void RenderView::AddErrorToRootConsole(const string16& message) {
   if (webview() && webview()->mainFrame()) {
     webview()->mainFrame()->addMessageToConsole(
         WebConsoleMessage(WebConsoleMessage::LevelError, message));
   }
 }