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 c5c6b04749a9de5743278470bc877171e85f9b35..206119339c0383e19fab31001f04790d884c5df3 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -266,6 +266,14 @@ class RemoterFactoryImpl final : public media::mojom::RemoterFactory {
 };
 #endif  // BUILDFLAG(ENABLE_MEDIA_REMOTING)
 
+void CreateResourceCoordinatorFrameInterface(
+    RenderFrameHostImpl* render_frame_host,
+    const service_manager::BindSourceInfo& source_info,
+    resource_coordinator::mojom::CoordinationUnitRequest request) {
+  render_frame_host->GetFrameResourceCoordinator()->service()->Duplicate(
+      std::move(request));
+}
+
 template <typename Interface>
 void IgnoreInterfaceRequest(const service_manager::BindSourceInfo& source_info,
                             mojo::InterfaceRequest<Interface> request) {
@@ -2830,6 +2838,9 @@ void RenderFrameHostImpl::RegisterMojoInterfaces() {
       base::Bind(&IgnoreInterfaceRequest<device::mojom::VRService>));
 #endif
 
+  GetInterfaceRegistry()->AddInterface(base::Bind(
+      &CreateResourceCoordinatorFrameInterface, base::Unretained(this)));
+
 #if BUILDFLAG(ENABLE_WEBRTC)
   // BrowserMainLoop::GetInstance() may be null on unit tests.
   if (BrowserMainLoop::GetInstance()) {
@@ -3254,6 +3265,7 @@ void RenderFrameHostImpl::InvalidateMojoConnection() {
 
   // Disconnect with ImageDownloader Mojo service in RenderFrame.
   mojo_image_downloader_.reset();
+  frame_resource_coordinator_.reset();
 }
 
 bool RenderFrameHostImpl::IsFocused() {
@@ -3360,6 +3372,18 @@ 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::CoordinationUnitType::kFrame);
+  }
+
+  return frame_resource_coordinator_.get();
+}
+
 void RenderFrameHostImpl::ResetLoadingState() {
   if (is_loading()) {
     // When pending deletion, just set the loading state to not loading.