NOCOMMIT prototype: GRC service plumbing and process priority

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 8d5033e333f299c546c66977edd19e5b2a70dbe3..abf1a0168c3694b30d2694c242a1af223504d973 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -42,6 +42,7 @@
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "mojo/public/cpp/bindings/associated_binding_set.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
+#include "services/resource_coordinator/public/cpp/resource_coordinator_interface.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
 #include "services/service_manager/public/interfaces/service.mojom.h"
 #include "services/ui/public/interfaces/gpu.mojom.h"
@@ -108,6 +109,7 @@ class CONTENT_EXPORT RenderProcessHostImpl
     : public RenderProcessHost,
       public ChildProcessLauncher::Client,
       public ui::GpuSwitchingObserver,
+      public resource_coordinator::mojom::CoordinationPolicyCallback,
       public NON_EXPORTED_BASE(mojom::RouteProvider),
       public NON_EXPORTED_BASE(mojom::AssociatedInterfaceProvider) {
  public:
@@ -185,6 +187,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void PurgeAndSuspend() override;
   void Resume() override;
   mojom::Renderer* GetRendererInterface() override;
+  resource_coordinator::ResourceCoordinatorInterface*
+  GetProcessResourceCoordinator() override;
+
   void SetIsNeverSuitableForReuse() override;
   bool MayReuseHost() override;
 
@@ -206,6 +211,10 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void OnProcessLaunched() override;
   void OnProcessLaunchFailed(int error_code) override;
 
+  // resource_coordinator::mojom::CoordinationPolicyCallback implementation.
+  void SetCoordinationPolicy(
+      resource_coordinator::mojom::CoordinationPolicyPtr policy) override;
+
   scoped_refptr<AudioRendererHost> audio_renderer_host() const;
 
   // Call this function when it is evident that the child process is actively
@@ -414,7 +423,7 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // Inspects the current object state and sets/removes background priority if
   // appropriate. Should be called after any of the involved data members
   // change.
-  void UpdateProcessPriority();
+  void SetProcessPriority(bool should_background);
 
   // Creates a PersistentMemoryAllocator and shares it with the renderer
   // process for it to store histograms from that process. The allocator is
@@ -680,6 +689,11 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // if a process should be backgrounded.
   int audio_stream_count_ = 0;
 
+  std::unique_ptr<resource_coordinator::ResourceCoordinatorInterface>
+      process_resource_coordinator_;
+  mojo::Binding<resource_coordinator::mojom::CoordinationPolicyCallback>
+      resource_coordinator_binding_;
+
   // A WeakPtrFactory which is reset every time Cleanup() runs. Used to vend
   // WeakPtrs which are invalidated any time the RPHI is recycled.
   std::unique_ptr<base::WeakPtrFactory<RenderProcessHostImpl>>