Manage OffscreenCanvasCompositorFrameSink lifetime explicitly

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1200 matching lines @@
   AddUIThreadInterface(registry.get(), base::Bind(&ImageCaptureImpl::Create));
 
   AddUIThreadInterface(
       registry.get(),
       base::Bind(&PaymentAppContextImpl::CreatePaymentAppManager,
                  base::Unretained(
                      storage_partition_impl_->GetPaymentAppContext())));
 
   AddUIThreadInterface(
       registry.get(),
-      base::Bind(&OffscreenCanvasCompositorFrameSinkProviderImpl::Create));
+      base::Bind(&RenderProcessHostImpl::
+                     CreateOffscreenCanvasCompositorFrameSinkProvider,
+                 base::Unretained(this)));
+
   AddUIThreadInterface(registry.get(),
                        base::Bind(&OffscreenCanvasSurfaceFactoryImpl::Create));
   AddUIThreadInterface(
       registry.get(),
       base::Bind(&BackgroundSyncContext::CreateService,
                  base::Unretained(
                      storage_partition_impl_->GetBackgroundSyncContext())));
   AddUIThreadInterface(
       registry.get(),
       base::Bind(&PlatformNotificationContextImpl::CreateService,
@@ skipping 102 matching lines @@
     listener->OnAssociatedInterfaceRequest(name, request.PassHandle());
 }
 
 void RenderProcessHostImpl::CreateMusGpuRequest(ui::mojom::GpuRequest request) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (!gpu_client_)
     gpu_client_.reset(new GpuClient(GetID()));
   gpu_client_->Add(std::move(request));
 }
 
+void RenderProcessHostImpl::CreateOffscreenCanvasCompositorFrameSinkProvider(
+    blink::mojom::OffscreenCanvasCompositorFrameSinkProviderRequest request) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  if (!offscreen_canvas_provider_) {
+    offscreen_canvas_provider_.reset(
+        new OffscreenCanvasCompositorFrameSinkProviderImpl());
+  }
+  offscreen_canvas_provider_->Add(std::move(request));
+}
+
 void RenderProcessHostImpl::CreateStoragePartitionService(
     mojo::InterfaceRequest<mojom::StoragePartitionService> request) {
   // DO NOT REMOVE THIS COMMAND LINE CHECK WITHOUT SECURITY REVIEW!
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kMojoLocalStorage)) {
     storage_partition_impl_->Bind(std::move(request));
   }
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
@@ skipping 1649 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing.
   // Capture the error message in a crash key value.
   base::debug::ScopedCrashKey error_key_value("mojo-message-error", error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content