NOCOMMIT prototype: GRC service plumbing and process priority

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 64c719ca49b2d5c906fd33c22a2edd5a21ec2d69..152bbe31216741bf3a34a95a1b519a2218238365 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -244,6 +244,13 @@ void IgnoreInterfaceRequest(mojo::InterfaceRequest<Interface> request) {
   // Intentionally ignore the interface request.
 }
 
+void CreateResourceCoordinatorFrameInterface(
+    RenderFrameHostImpl* render_frame_host,
+    resource_coordinator::mojom::CoordinationUnitRequest request) {
+  render_frame_host->GetFrameResourceCoordinator()->service()->Duplicate(
+      std::move(request));
+}
+
 }  // namespace
 
 // static
@@ -2349,6 +2356,9 @@ void RenderFrameHostImpl::RegisterMojoInterfaces() {
       base::Bind(&IgnoreInterfaceRequest<device::mojom::VRService>));
 #endif
 
+  GetInterfaceRegistry()->AddInterface(base::Bind(
+      &CreateResourceCoordinatorFrameInterface, base::Unretained(this)));
+
   if (base::FeatureList::IsEnabled(features::kGenericSensor)) {
     GetInterfaceRegistry()->AddInterface(
         base::Bind(&device::SensorProviderImpl::Create,
@@ -2784,6 +2794,7 @@ void RenderFrameHostImpl::InvalidateMojoConnection() {
 
   // Disconnect with ImageDownloader Mojo service in RenderFrame.
   mojo_image_downloader_.reset();
+  frame_resource_coordinator_.reset();
 }
 
 bool RenderFrameHostImpl::IsFocused() {
@@ -2890,6 +2901,18 @@ RenderFrameHostImpl::GetMojoImageDownloader() {
   return mojo_image_downloader_;
 }
 
+resource_coordinator::ResourceCoordinatorInterface*
+RenderFrameHostImpl::GetFrameResourceCoordinator() {
+  if (!frame_resource_coordinator_) {
+    frame_resource_coordinator_ =
+        base::MakeUnique<resource_coordinator::ResourceCoordinatorInterface>(
+            ServiceManagerConnection::GetForProcess()->GetConnector(),
+            resource_coordinator::mojom::IDType::FRAME);
+  }
+
+  return frame_resource_coordinator_.get();
+}
+
 void RenderFrameHostImpl::ResetLoadingState() {
   if (is_loading()) {
     // When pending deletion, just set the loading state to not loading.