Refactor ResourceHandler API.

content/browser/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//third_party/WebKit/public/public_features.gni")
@@ skipping 791 matching lines @@
     "loader/navigation_url_loader.cc",
     "loader/navigation_url_loader.h",
     "loader/navigation_url_loader_delegate.h",
     "loader/navigation_url_loader_factory.h",
     "loader/navigation_url_loader_impl.cc",
     "loader/navigation_url_loader_impl.h",
     "loader/navigation_url_loader_impl_core.cc",
     "loader/navigation_url_loader_impl_core.h",
     "loader/netlog_observer.cc",
     "loader/netlog_observer.h",
+    "loader/null_resource_controller.cc",
+    "loader/null_resource_controller.h",
     "loader/power_save_block_resource_throttle.cc",
     "loader/power_save_block_resource_throttle.h",
     "loader/redirect_to_file_resource_handler.cc",
     "loader/redirect_to_file_resource_handler.h",
     "loader/resource_buffer.cc",
     "loader/resource_buffer.h",
     "loader/resource_controller.h",
     "loader/resource_dispatcher_host_impl.cc",
     "loader/resource_dispatcher_host_impl.h",
     "loader/resource_handler.cc",
@@ skipping 1204 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }