Refactor ResourceHandler API.

content/browser/loader/DEPS

Index: content/browser/loader/DEPS
diff --git a/content/browser/loader/DEPS b/content/browser/loader/DEPS
index b655be17bdbbc933bdc9b2474afb7888d4d8d325..5d509dfdabb964ba52cb39fd8cf35b06ed54940f 100644
--- a/content/browser/loader/DEPS
+++ b/content/browser/loader/DEPS
@@ -76,6 +76,7 @@ specific_include_rules = {
     "+content/browser/loader/layered_resource_handler.h",
     "+content/browser/loader/resource_handler.h",
     "+content/common/content_export.h",
+    "+content/public/browser/resource_controller.h",
   ],
   "mojo_async_resource_handler\.(cc|h)": [
     "-content",
@@ -137,6 +138,7 @@ specific_include_rules = {
     "+content/browser/loader/global_routing_id.h",
     "+content/browser/loader/loader_delegate.h",
     "+content/browser/loader/mojo_async_resource_handler.h",
+    "+content/browser/loader/null_resource_controller.h",
     "+content/browser/loader/power_save_block_resource_throttle.h",
     "+content/browser/loader/resource_dispatcher_host_impl.h",
     "+content/browser/loader/resource_loader.h",
@@ -210,9 +212,11 @@ specific_include_rules = {
   ],
   "resource_handler\.(cc|h)": [
     "-content",
+    "+content/browser/loader/resource_dispatcher_host_impl.h",
     "+content/browser/loader/resource_handler.h",
     "+content/browser/loader/resource_request_info_impl.h",
     "+content/common/content_export.h",
+    "+content/public/browser/resource_controller.h",
   ],
   "resource_loader\.(cc|h)": [
     "-content",
@@ -298,6 +302,7 @@ specific_include_rules = {
     "+content/browser/loader/resource_message_filter.h",
     "+content/browser/loader/resource_request_info_impl.h",
     "+content/browser/loader/sync_resource_handler.h",
+    "+content/public/browser/resource_controller.h",
     "+content/public/browser/resource_dispatcher_host_delegate.h",
     "+content/public/browser/resource_request_info.h",
     "+content/public/common/resource_response.h",