[GRC] Hook up the process-level CoordinationUnit

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 67c5e5d64a18b8230867611b904860f3603a688c..d81b8dfcc93b6a93509384882fa7a3d22845c636 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -853,6 +853,14 @@ class UnmatchedServiceWorkerProcessTracker
   SiteProcessIDPairSet site_process_set_;
 };
 
+void CreateResourceCoordinatorProcessInterface(

[nasko, 2017/06/29 17:24:28]

nit: I'd move this to be closer to CreateMemoryCoordinatorHandle, as they are
similar type of functionality - coordination related.

[lpy, 2017/06/29 22:00:35]

Done.

+    RenderProcessHostImpl* render_process_host,
+    const service_manager::BindSourceInfo& source_info,
+    resource_coordinator::mojom::CoordinationUnitRequest request) {
+  render_process_host->GetProcessResourceCoordinator()->service()->AddBinding(
+      std::move(request));
+}
+
 }  // namespace
 
 RendererMainThreadFactoryFunction g_renderer_main_thread_factory = NULL;
@@ -1662,6 +1670,9 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
   registry->AddInterface(
       base::Bind(&metrics::CreateSingleSampleMetricsProvider));
 
+  registry->AddInterface(base::Bind(&CreateResourceCoordinatorProcessInterface,
+                                    base::Unretained(this)));

[nasko, 2017/06/29 21:52:46]

Let's make this conditional on the GRC feature being enabled.

[lpy, 2017/06/29 22:00:35]

Done.

+
   if (base::FeatureList::IsEnabled(features::kOffMainThreadFetch)) {
     scoped_refptr<ServiceWorkerContextWrapper> service_worker_context(
         static_cast<ServiceWorkerContextWrapper*>(