Manage OffscreenCanvasCompositorFrameSink lifetime explicitly

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 46e67e129f2db8a3079e3afd82182245168ff4cb..045236328b33c1af721ccd1326aa1a2303dd617f 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -22,6 +22,7 @@
 #include "build/build_config.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
+#include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_provider_impl.h"
 #include "content/browser/webrtc/webrtc_eventlog_host.h"
 #include "content/common/associated_interfaces.mojom.h"
 #include "content/common/content_export.h"
@@ -330,6 +331,8 @@ class CONTENT_EXPORT RenderProcessHostImpl
       mojom::AssociatedInterfaceAssociatedRequest request) override;
 
   void CreateMusGpuRequest(ui::mojom::GpuRequest request);
+  void CreateOffscreenCanvasCompositorFrameSinkProvider(
+      blink::mojom::OffscreenCanvasCompositorFrameSinkProviderRequest request);
   void CreateStoragePartitionService(
       mojo::InterfaceRequest<mojom::StoragePartitionService> request);
 
@@ -579,6 +582,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   scoped_refptr<ResourceMessageFilter> resource_message_filter_;
   std::unique_ptr<GpuClient, BrowserThread::DeleteOnIOThread> gpu_client_;
 
+  std::unique_ptr<OffscreenCanvasCompositorFrameSinkProviderImpl>
+      offscreen_canvas_provider_;
+
   mojom::RouteProviderAssociatedPtr remote_route_provider_;
   mojom::RendererAssociatedPtr renderer_interface_;