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 1eac862663f1a142b3979b4f6218164cfb248d42..838e43d6030c9c3123260a33d6d91798d628706d 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -37,6 +37,7 @@
 #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/interface_registry.h"
 #include "services/service_manager/public/interfaces/service.mojom.h"
 #include "services/ui/public/interfaces/gpu.mojom.h"
@@ -104,6 +105,7 @@ class CONTENT_EXPORT RenderProcessHostImpl
     : public RenderProcessHost,
       public ChildProcessLauncher::Client,
       public ui::GpuSwitchingObserver,
+      public resource_coordinator::mojom::PolicyCallback,
       public NON_EXPORTED_BASE(mojom::RouteProvider),
       public NON_EXPORTED_BASE(mojom::AssociatedInterfaceProvider) {
  public:
@@ -197,6 +199,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void OnProcessLaunched() override;
   void OnProcessLaunchFailed(int error_code) override;
 
+  // resource_coordinator::mojom::PolicyCallback implementation.
+  void SetPolicy(resource_coordinator::mojom::PolicyPtr policy) override;
+
   scoped_refptr<AudioRendererHost> audio_renderer_host() const;
 
   // Call this function when it is evident that the child process is actively
@@ -289,6 +294,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void OnAudioStreamRemoved() override;
   int get_audio_stream_count_for_testing() const { return audio_stream_count_; }
 
+  resource_coordinator::ResourceCoordinatorInterface*
+  GetProcessResourceCoordinator();
+
  protected:
   // A proxy for our IPC::Channel that lives on the IO thread.
   std::unique_ptr<IPC::ChannelProxy> channel_;
@@ -365,7 +373,7 @@ 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
@@ -604,6 +612,11 @@ 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::PolicyCallback>
+      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>>