Remove SurfaceFactory::Create and SurfaceFactory::Destroy

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc

 // Copyright 2016 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.
 
 #include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.h"
 
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 
 OffscreenCanvasCompositorFrameSink::OffscreenCanvasCompositorFrameSink(
     const cc::SurfaceId& surface_id,
     cc::mojom::MojoCompositorFrameSinkClientPtr client)
     : surface_id_(surface_id), client_(std::move(client)) {}
 
 OffscreenCanvasCompositorFrameSink::~OffscreenCanvasCompositorFrameSink() {
   if (surface_factory_) {
     cc::SurfaceManager* manager = GetSurfaceManager();
     if (!manager) {
       // Inform SurfaceFactory that SurfaceManager's no longer alive to
       // avoid its destruction error.
       surface_factory_->DidDestroySurfaceManager();
     } else {
       manager->InvalidateFrameSinkId(surface_id_.frame_sink_id());
     }
-    surface_factory_->Destroy(surface_id_.local_frame_id());
   }
 }
 
 // static
 void OffscreenCanvasCompositorFrameSink::Create(
     const cc::SurfaceId& surface_id,
     cc::mojom::MojoCompositorFrameSinkClientPtr client,
     cc::mojom::MojoCompositorFrameSinkRequest request) {
   mojo::MakeStrongBinding(base::MakeUnique<OffscreenCanvasCompositorFrameSink>(
                               surface_id, std::move(client)),
                           std::move(request));
 }
 
 void OffscreenCanvasCompositorFrameSink::SubmitCompositorFrame(
     cc::CompositorFrame frame) {
   if (!surface_factory_) {
     cc::SurfaceManager* manager = GetSurfaceManager();
     surface_factory_ = base::MakeUnique<cc::SurfaceFactory>(
         surface_id_.frame_sink_id(), manager, this);
-    surface_factory_->Create(surface_id_.local_frame_id());
 
     manager->RegisterFrameSinkId(surface_id_.frame_sink_id());
   }
   ++ack_pending_count_;
   surface_factory_->SubmitCompositorFrame(
       surface_id_.local_frame_id(), std::move(frame),
       base::Bind(
           &OffscreenCanvasCompositorFrameSink::DidReceiveCompositorFrameAck,
           base::Unretained(this)));
 }
@@ skipping 30 matching lines @@
   client_->DidReceiveCompositorFrameAck();
   DCHECK_GT(ack_pending_count_, 0);
   if (!surface_returned_resources_.empty()) {
     client_->ReclaimResources(surface_returned_resources_);
     surface_returned_resources_.clear();
   }
   ack_pending_count_--;
 }
 
 }  // namespace content