Create manager to track OffscreenCanvasSurfaceImpl instances

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 "content/browser/renderer_host/offscreen_canvas_surface_manager.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)) {
   cc::SurfaceManager* manager = GetSurfaceManager();
   surface_factory_ = base::MakeUnique<cc::SurfaceFactory>(
@@ skipping 66 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