Move UserScript and Extension switches to top-level extensions/.

extensions/common/user_script.h

Index: extensions/common/user_script.h
diff --git a/chrome/common/extensions/user_script.h b/extensions/common/user_script.h
similarity index 98%
rename from chrome/common/extensions/user_script.h
rename to extensions/common/user_script.h
index f9b03e8974898b5c83e56945627a15951900a25e..0f9bbbc25665f10127a9b722ab4fb00467a919e8 100644
--- a/chrome/common/extensions/user_script.h
+++ b/extensions/common/user_script.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
-#define CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
+#ifndef EXTENSIONS_COMMON_USER_SCRIPT_H_
+#define EXTENSIONS_COMMON_USER_SCRIPT_H_
 
 #include <string>
 #include <vector>
@@ -257,4 +257,4 @@ typedef std::vector<UserScript> UserScriptList;
 
 }  // namespace extensions
 
-#endif  // CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
+#endif  // EXTENSIONS_COMMON_USER_SCRIPT_H_