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 1f221016523fcfb4b5d4bfd904a5ca3833a3e692..9a132f78294eca973b69335d2af87d6553518c04 100644
--- a/content/browser/loader/DEPS
+++ b/content/browser/loader/DEPS
@@ -81,6 +81,7 @@ specific_include_rules = {
   "layered_resource_handler\.(cc|h)": [
     "-content",
     "+content/browser/loader/layered_resource_handler.h",
+    "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_handler.h",
     "+content/common/content_export.h",
   ],
@@ -150,6 +151,7 @@ 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",
@@ -226,6 +228,7 @@ specific_include_rules = {
   ],
   "resource_handler\.(cc|h)": [
     "-content",
+    "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_handler.h",
     "+content/browser/loader/resource_request_info_impl.h",
     "+content/common/content_export.h",
@@ -288,6 +291,7 @@ specific_include_rules = {
   ],
   "resource_requester_info\.(cc|h)": [
     "-content",
+    "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_requester_info.h",
     "+content/common/content_export.h",
     "+content/public/browser/resource_context.h",
@@ -302,9 +306,9 @@ specific_include_rules = {
   ],
   "resource_scheduler\.(cc|h)": [
     "-content",
+    "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_scheduler.h",
     "+content/common/content_export.h",
-    "+content/public/browser/resource_controller.h",
     "+content/public/browser/resource_request_info.h",
     "+content/public/browser/resource_throttle.h",
 
@@ -325,6 +329,7 @@ specific_include_rules = {
   "sync_resource_handler\.(cc|h)": [
     "-content",
     "+content/browser/loader/netlog_observer.h",
+    "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_dispatcher_host_impl.h",
     "+content/browser/loader/resource_handler.h",
     "+content/browser/loader/resource_request_info_impl.h",