Convert std::wstring encoding names to std::string in a bunch of files.

chrome/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2009 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_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 397 matching lines @@
                            int32 page_id,
                            const std::string& state) {}
 
   // The page's title was changed and should be updated.
   virtual void UpdateTitle(RenderViewHost* render_view_host,
                            int32 page_id,
                            const std::wstring& title) {}
 
   // The page's encoding was changed and should be updated.
   virtual void UpdateEncoding(RenderViewHost* render_view_host,
-                              const std::wstring& encoding) {}
+                              const std::string& encoding) {}
 
   // The destination URL has changed should be updated
   virtual void UpdateTargetURL(int32 page_id, const GURL& url) {}
 
   // The thumbnail representation of the page changed and should be updated.
   virtual void UpdateThumbnail(const GURL& url,
                                const SkBitmap& bitmap,
                                const ThumbnailScore& score) {}
 
   // Inspector settings were changes and should be persisted.
@@ skipping 109 matching lines @@
   virtual void LoadStateChanged(const GURL& url, net::LoadState load_state) {}
 
   // Returns true if this view is used to host an external tab container.
   virtual bool IsExternalTabContainer() const;
 
   // The RenderView has inserted one css file into page.
   virtual void DidInsertCSS() {}
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_