Add content/browser/loader/ for resource loading related classes.

content/browser/renderer_host/resource_handler.cc

Index: content/browser/renderer_host/resource_handler.cc
===================================================================
--- content/browser/renderer_host/resource_handler.cc	(revision 171168)
+++ content/browser/renderer_host/resource_handler.cc	(working copy)
@@ -1,13 +0,0 @@
-// 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.
-
-#include "content/browser/renderer_host/resource_handler.h"
-
-namespace content {
-
-void ResourceHandler::SetController(ResourceController* controller) {
-  controller_ = controller;
-}
-
-}  // namespace content