Move [Get|Set]UpdateURLData from ExtensionPrefs to ExtensionAPI (aka Module)

chrome/browser/extensions/api/module/module.h

 // Copyright (c) 2012 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_API_MODULE_MODULE_H__
-#define CHROME_BROWSER_EXTENSIONS_API_MODULE_MODULE_H__
+#ifndef CHROME_BROWSER_EXTENSIONS_API_MODULE_MODULE_H_
+#define CHROME_BROWSER_EXTENSIONS_API_MODULE_MODULE_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 
 namespace extensions {
 
-class ExtensionPrefs;
+namespace extension {
+// A preference for storing the extension's update URL data. If not empty, the
+// the ExtensionUpdater will append a ap= parameter to the URL when checking if
+// a new version of the extension is available.
+extern const char kUpdateURLData[];
+}  // namespace extension
 
 class ExtensionSetUpdateUrlDataFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("extension.setUpdateUrlData",
                              EXTENSION_SETUPDATEURLDATA)
 
  protected:
   virtual ~ExtensionSetUpdateUrlDataFunction() {}
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-
- private:
-  ExtensionPrefs* extension_prefs();
 };
 
 class ExtensionIsAllowedIncognitoAccessFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("extension.isAllowedIncognitoAccess",
                              EXTENSION_ISALLOWEDINCOGNITOACCESS)
 
  protected:
   virtual ~ExtensionIsAllowedIncognitoAccessFunction() {}
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 };
 
 class ExtensionIsAllowedFileSchemeAccessFunction
     : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("extension.isAllowedFileSchemeAccess",
                              EXTENSION_ISALLOWEDFILESCHEMEACCESS)
 
  protected:
   virtual ~ExtensionIsAllowedFileSchemeAccessFunction() {}
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_MODULE_MODULE_H__
+#endif  // CHROME_BROWSER_EXTENSIONS_API_MODULE_MODULE_H_