Introduce SystemNetworkContextManager.

content/browser/loader/DEPS

Index: content/browser/loader/DEPS
diff --git a/content/browser/loader/DEPS b/content/browser/loader/DEPS
index 33ce03872005ce50d00f612ad3b40889db6e9391..28ae58244463e6a5f782871a9f561cc93fdc684c 100644
--- a/content/browser/loader/DEPS
+++ b/content/browser/loader/DEPS
@@ -77,7 +77,6 @@ specific_include_rules = {
     "-content",
     "+content/browser/loader/mock_resource_loader.h",
     "+content/browser/loader/mojo_async_resource_handler.h",
-    "+content/browser/loader/test_url_loader_client.h",
     "+content/browser/loader/resource_controller.h",
     "+content/browser/loader/resource_dispatcher_host_impl.h",
     "+content/browser/loader/resource_request_info_impl.h",
@@ -97,6 +96,7 @@ specific_include_rules = {
     "+content/public/common/url_loader_factory.mojom.h",
     "+content/public/test/test_browser_context.h",
     "+content/public/test/test_browser_thread_bundle.h",
+    "+content/public/test/test_url_loader_client.h",
   ],
   "netlog_observer\.(cc|h)": [
     "-content",
@@ -301,14 +301,6 @@ specific_include_rules = {
     # TODO: To be replaced by mojo.
     "+content/common/resource_messages.h",
   ],
-  "test_url_loader_client\.(cc|h)": [
-    "-content",
-    "+content/browser/loader/test_url_loader_client.h",
-    "+content/public/common/resource_request_completion_status.h",
-    "+content/public/common/resource_response.h",
-    "+content/public/common/url_loader.mojom.h",
-    "+content/public/common/url_loader_factory.mojom.h",
-  ],
   "upload_progress_tracker\.(cc|h)": [
     "-content",
     "+content/browser/loader/upload_progress_tracker.h",
@@ -328,7 +320,6 @@ specific_include_rules = {
     "-content",
     "+content/browser/child_process_security_policy_impl.h",
     "+content/browser/loader/mojo_async_resource_handler.h",
-    "+content/browser/loader/test_url_loader_client.h",
     "+content/browser/loader/resource_dispatcher_host_impl.h",
     "+content/browser/loader/resource_message_filter.h",
     "+content/browser/loader/resource_request_info_impl.h",
@@ -343,6 +334,7 @@ specific_include_rules = {
     "+content/public/common/url_loader_factory.mojom.h",
     "+content/public/test/test_browser_context.h",
     "+content/public/test/test_browser_thread_bundle.h",
+    "+content/public/test/test_url_loader_client.h",
 
     #TODO: To be removed when PlzNavigate lands.
     "+content/browser/loader/navigation_resource_throttle.h"