NOCOMMIT prototype: GRC service plumbing and process priority

content/browser/renderer_host/render_process_host_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 19 matching lines @@
 #include "content/common/renderer.mojom.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/service_manager_connection.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_platform_file.h"
 #include "media/media_features.h"
 #include "mojo/edk/embedder/pending_process_connection.h"
 #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"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gl/gpu_switching_observer.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/android/synchronous_compositor_browser_filter.h"
 #endif
 
@@ skipping 47 matching lines @@
 // communicate through the two process objects.
 //
 // A RenderProcessHost is also associated with one and only one
 // StoragePartition.  This allows us to implement strong storage isolation
 // because all the IPCs from the RenderViews (renderer) will only ever be able
 // to access the partition they are assigned to.
 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:
   RenderProcessHostImpl(BrowserContext* browser_context,
                         StoragePartitionImpl* storage_partition_impl,
                         bool is_for_guests_only);
   ~RenderProcessHostImpl() override;
 
   // RenderProcessHost implementation (public portion).
   bool Init() override;
@@ skipping 73 matching lines @@
       const std::string& interface_name,
       mojo::ScopedInterfaceEndpointHandle handle) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnChannelError() override;
   void OnBadMessageReceived(const IPC::Message& message) override;
 
   // ChildProcessLauncher::Client implementation.
   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
   // performing some operation, for example if we just received an IPC message.
   void mark_child_process_activity_time() {
     child_process_activity_time_ = base::TimeTicks::Now();
   }
 
   // Used to extend the lifetime of the sessions until the render view
   // in the renderer is fully closed. This is static because its also called
@@ skipping 72 matching lines @@
 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 
   void RecomputeAndUpdateWebKitPreferences();
 
   // Called when an audio stream is added or removed and used to determine if
   // the process should be backgrounded or not.
   void OnAudioStreamAdded() override;
   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_;
 
   // True if fast shutdown has been performed on this RPH.
   bool fast_shutdown_started_;
 
   // True if we've posted a DeleteTask and will be deleted soon.
   bool deleting_soon_;
 
@@ skipping 56 matching lines @@
   // Copies applicable command line switches from the given |browser_cmd| line
   // flags to the output |renderer_cmd| line flags. Not all switches will be
   // copied over.
   void PropagateBrowserCommandLineToRenderer(
       const base::CommandLine& browser_cmd,
       base::CommandLine* renderer_cmd);
 
   // 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
   // available for extraction by a SubprocesMetricsProvider in order to
   // report those histograms to UMA.
   void CreateSharedRendererHistogramAllocator();
 
   // Handle termination of our process.
   void ProcessDied(bool already_dead, RendererClosedDetails* known_details);
 
@@ skipping 218 matching lines @@
   std::unique_ptr<OffscreenCanvasCompositorFrameSinkProviderImpl>
       offscreen_canvas_provider_;
 
   mojom::RouteProviderAssociatedPtr remote_route_provider_;
   mojom::RendererAssociatedPtr renderer_interface_;
 
   // Tracks active audio streams within the render process; used to determine if
   // 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>>
       instance_weak_factory_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_