Remove wstring from RVH's run Javascript command....

chrome/browser/renderer_host/render_view_host.cc

 // Copyright (c) 2011 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/browser/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 453 matching lines @@
 void RenderViewHost::DragTargetDrop(
     const gfx::Point& client_pt, const gfx::Point& screen_pt) {
   Send(new ViewMsg_DragTargetDrop(routing_id(), client_pt, screen_pt));
 }
 
 void RenderViewHost::ReservePageIDRange(int size) {
   Send(new ViewMsg_ReservePageIDRange(routing_id(), size));
 }
 
 void RenderViewHost::ExecuteJavascriptInWebFrame(
-    const std::wstring& frame_xpath,
-    const std::wstring& jscript) {
-  Send(new ViewMsg_ScriptEvalRequest(routing_id(), WideToUTF16(frame_xpath),
-                                     WideToUTF16(jscript),
+    const string16& frame_xpath,
+    const string16& jscript) {
+  Send(new ViewMsg_ScriptEvalRequest(routing_id(), frame_xpath, jscript,
                                      0, false));
 }
 
 int RenderViewHost::ExecuteJavascriptInWebFrameNotifyResult(
     const string16& frame_xpath,
     const string16& jscript) {
   static int next_id = 1;
   Send(new ViewMsg_ScriptEvalRequest(routing_id(), frame_xpath, jscript,
                                      next_id, true));
   return next_id++;
@@ skipping 1227 matching lines @@
     LOG(DFATAL) << "Invalid checked state " << checked_state;
     return;
   }
 
   CommandState state;
   state.is_enabled = is_enabled;
   state.checked_state =
       static_cast<RenderViewCommandCheckedState>(checked_state);
   command_states_[static_cast<RenderViewCommand>(command)] = state;
 }