[DO NOT COMMIT] mojo datapipe performance measurement

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index b99f92032c4688a1d25dfadad52bb72b544fa619..f44003b137f10d3fcc026cb04b2e3cf1ce58fbef 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -51,6 +51,7 @@ class AudioRendererHost;
 class BrowserCdmManager;
 class BrowserDemuxerAndroid;
 class InProcessChildThreadParams;
+class LoaderTestServiceContext;
 class MessagePortMessageFilter;
 class MojoApplicationHost;
 class MojoChildConnection;
@@ -509,6 +510,8 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // RPH.
   std::unique_ptr<PermissionServiceContext> permission_service_context_;
 
+  scoped_ptr<LoaderTestServiceContext> loader_test_service_context_;
+
   // The memory allocator, if any, in which the renderer will write its metrics.
   std::unique_ptr<base::SharedPersistentMemoryAllocator> metrics_allocator_;