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

chrome/browser/automation/automation_provider.h

 // 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.
 
 // This implements a browser-side endpoint for UI automation activity.
 // The client-side endpoint is implemented by AutomationProxy.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess, and in particular the NotificationService that's
 // hung off of it.
 
@@ skipping 414 matching lines @@
                             bool* success,
                             bool* value);
 
   // Sets the bool value for preference with name |name|.
   void SetBooleanPreference(int handle,
                             const std::wstring& name,
                             bool value,
                             bool* success);
 
   // Gets the current used encoding name of the page in the specified tab.
-  void GetPageCurrentEncoding(int tab_handle, std::wstring* current_encoding);
+  void GetPageCurrentEncoding(int tab_handle, std::string* current_encoding);
 
   // Uses the specified encoding to override the encoding of the page in the
   // specified tab.
   void OverrideEncoding(int tab_handle,
-                        const std::wstring& encoding_name,
+                        const std::string& encoding_name,
                         bool* success);
 
   void SavePackageShouldPromptUser(bool should_prompt);
 
   // Enables extension automation (for e.g. UITests).
   void SetEnableExtensionAutomation(bool automation_enabled);
 
   void GetWindowTitle(int handle, string16* text);
 
   // Returns the number of blocked popups in the tab |handle|.
@@ skipping 110 matching lines @@
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   void OnRemoveProvider();  // Called via PostTask
 
   NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_