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

chrome/browser/renderer_host/render_view_host.h

 // 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 243 matching lines @@
                           const gfx::Point& screen_pt,
                           WebKit::WebDragOperationsMask operations_allowed);
   void DragTargetDragLeave();
   void DragTargetDrop(const gfx::Point& client_pt,
                       const gfx::Point& screen_pt);
 
   // Tell the RenderView to reserve a range of page ids of the given size.
   void ReservePageIDRange(int size);
 
   // Runs some javascript within the context of a frame in the page.
-  void ExecuteJavascriptInWebFrame(const std::wstring& frame_xpath,
-                                   const std::wstring& jscript);
+  void ExecuteJavascriptInWebFrame(const string16& frame_xpath,
+                                   const string16& jscript);
 
   // Runs some javascript within the context of a frame in the page. The result
   // is sent back via the notification EXECUTE_JAVASCRIPT_RESULT.
   int ExecuteJavascriptInWebFrameNotifyResult(const string16& frame_xpath,
                                               const string16& jscript);
 
   // Insert some css into a frame in the page. |id| is optional, and specifies
   // the element id given when inserting/replacing the style element.
   void InsertCSSInWebFrame(const std::wstring& frame_xpath,
                            const std::string& css,
@@ skipping 454 matching lines @@
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;
 
   // The enabled/disabled states of various commands.
   std::map<RenderViewCommand, CommandState> command_states_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_