[DO NOT COMMIT] mojo datapipe performance measurement

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index c6ee319c3f781f8a09e389c4fa06e16d5fbb0280..4cd4a85ae76cec7e8217a0e06c918db7488ed1a0 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -75,6 +75,7 @@
 #include "content/browser/histogram_message_filter.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
+#include "content/browser/loader/loader_test_service_context.h"
 #include "content/browser/loader/resource_message_filter.h"
 #include "content/browser/loader/resource_scheduler_filter.h"
 #include "content/browser/media/capture/audio_mirroring_manager.h"
@@ -1100,6 +1101,13 @@ void RenderProcessHostImpl::RegisterMojoServices() {
 
   GetContentClient()->browser()->RegisterRenderProcessMojoServices(
       mojo_application_host_->service_registry());
+
+  if (!loader_test_service_context_)
+    loader_test_service_context_.reset(new LoaderTestServiceContext);
+
+  mojo_application_host_->service_registry()->AddService<LoaderTestService>(
+      base::Bind(&LoaderTestServiceContext::CreateService,
+                 base::Unretained(loader_test_service_context_.get())));
 }
 
 void RenderProcessHostImpl::CreateStoragePartitionService(