Move Proxy Settings API out of experimental

chrome/browser/extensions/extension_preference_api.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_EXTENSIONS_EXTENSION_PREFERENCE_API_H__
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFERENCE_API_H__
 #pragma once
 
 #include <string>
 
@@ skipping 48 matching lines @@
   // into a representation that is used by the extension.
   // Returns the extension representation in case of success or NULL otherwise.
   // The ownership of the returned value is passed to the caller.
   virtual Value* BrowserToExtensionPref(const Value* browser_pref) = 0;
 };
 
 class GetEffectivePreferenceFunction : public SyncExtensionFunction {
  public:
   virtual ~GetEffectivePreferenceFunction();
   virtual bool RunImpl();
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.preferences.getEffective")
+  DECLARE_EXTENSION_FUNCTION_NAME("preferences.getEffective")
 };
 
 class SetPreferenceFunction : public SyncExtensionFunction {
  public:
   virtual ~SetPreferenceFunction();
   virtual bool RunImpl();
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.preferences.set")
+  DECLARE_EXTENSION_FUNCTION_NAME("preferences.set")
 };
 
 class ClearPreferenceFunction : public SyncExtensionFunction {
  public:
   virtual ~ClearPreferenceFunction();
   virtual bool RunImpl();
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.preferences.clear")
+  DECLARE_EXTENSION_FUNCTION_NAME("preferences.clear")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFERENCE_API_H__