Move webpreferences.* from webkit/ to content/

content/shell/common/webkit_test_helpers.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 CONTENT_SHELL_COMMON_WEBKIT_TEST_HELPERS_H_
 #define CONTENT_SHELL_COMMON_WEBKIT_TEST_HELPERS_H_
 
 #include <string>
 #include <vector>
 
-struct WebPreferences;
-
 namespace base {
 class FilePath;
 }
 
-struct WebPreferences;
-
 namespace content {
 
 struct TestPreferences;
+struct WebPreferences;
 
 // The TestRunner library keeps its settings in a WebPreferenes object.
 // The content_shell, however, uses WebPreferences. This method exports the
 // settings from the WebTestRunner library which are relevant for layout tests.
 void ExportLayoutTestSpecificPreferences(const TestPreferences& from,
                                          WebPreferences* to);
 
 // Applies settings that differ between layout tests and regular mode.
 void ApplyLayoutTestDefaultPreferences(WebPreferences* prefs);
 
 // Returns the root of the Blink checkout.
 base::FilePath GetWebKitRootDirFilePath();
 
 // Returns list of extra font files to be made accessible to the renderer.
 std::vector<std::string> GetSideloadFontFiles();
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_COMMON_WEBKIT_TEST_HELPERS_H_