Move ModuleSystem and NativeHandler to extensions/

chrome/renderer/extensions/native_handler.h

Index: chrome/renderer/extensions/native_handler.h
diff --git a/chrome/renderer/native_handler.h b/chrome/renderer/extensions/native_handler.h
similarity index 90%
rename from chrome/renderer/native_handler.h
rename to chrome/renderer/extensions/native_handler.h
index d328d21e46a653ee1bdd4cb81ac5cfa74f55ab35..f9eb4fe0e40ccfc3bb52812f0db65d7f9726d5e1 100644
--- a/chrome/renderer/native_handler.h
+++ b/chrome/renderer/extensions/native_handler.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_RENDERER_NATIVE_HANDLER_H_
-#define CHROME_RENDERER_NATIVE_HANDLER_H_
+#ifndef CHROME_RENDERER_EXTENSIONS_NATIVE_HANDLER_H_
+#define CHROME_RENDERER_EXTENSIONS_NATIVE_HANDLER_H_
 
 #include "base/bind.h"
 #include "base/memory/linked_ptr.h"
@@ -12,6 +12,8 @@
 #include <string>
 #include <vector>
 
+namespace extensions {
+
 // A NativeHandler is a factory for JS objects with functions on them that map
 // to native C++ functions. Subclasses should call RouteFunction() in their
 // constructor to define functions on the created JS objects.
@@ -53,4 +55,6 @@ class NativeHandler {
   DISALLOW_COPY_AND_ASSIGN(NativeHandler);
 };
 
-#endif  // CHROME_RENDERER_NATIVE_HANDLER_H_
+}  // extensions
+
+#endif  // CHROME_RENDERER_EXTENSIONS_NATIVE_HANDLER_H_