Move Work From CompositorFrameSinkSupport() To Init()

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 "base/memory/ptr_util.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_provider_impl.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 
 OffscreenCanvasCompositorFrameSink::OffscreenCanvasCompositorFrameSink(
     OffscreenCanvasCompositorFrameSinkProviderImpl* provider,
     const cc::FrameSinkId& frame_sink_id,
     cc::mojom::MojoCompositorFrameSinkRequest request,
     cc::mojom::MojoCompositorFrameSinkClientPtr client)
     : provider_(provider),
-      support_(this,
-               provider->GetSurfaceManager(),
-               frame_sink_id,
-               false /* is_root */,
-               true /* handles_frame_sink_id_invalidation */,
-               true /* needs_sync_points */),
+      support_(cc::CompositorFrameSinkSupport::Create(
+          this,
+          provider->GetSurfaceManager(),
+          frame_sink_id,
+          false /* is_root */,
+          true /* handles_frame_sink_id_invalidation */,
+          true /* needs_sync_points */)),
       client_(std::move(client)),
       binding_(this, std::move(request)) {
   binding_.set_connection_error_handler(
       base::Bind(&OffscreenCanvasCompositorFrameSink::OnClientConnectionLost,
                  base::Unretained(this)));
 }
 
 OffscreenCanvasCompositorFrameSink::~OffscreenCanvasCompositorFrameSink() {
-  provider_->OnCompositorFrameSinkClientDestroyed(support_.frame_sink_id());
+  provider_->OnCompositorFrameSinkClientDestroyed(support_->frame_sink_id());
 }
 
 void OffscreenCanvasCompositorFrameSink::SetNeedsBeginFrame(
     bool needs_begin_frame) {
-  support_.SetNeedsBeginFrame(needs_begin_frame);
+  support_->SetNeedsBeginFrame(needs_begin_frame);
 }
 
 void OffscreenCanvasCompositorFrameSink::SubmitCompositorFrame(
     const cc::LocalSurfaceId& local_surface_id,
     cc::CompositorFrame frame) {
   // TODO(samans): This will need to do something similar to
   // GpuCompositorFrameSink.
-  support_.SubmitCompositorFrame(local_surface_id, std::move(frame));
+  support_->SubmitCompositorFrame(local_surface_id, std::move(frame));
 }
 
 void OffscreenCanvasCompositorFrameSink::BeginFrameDidNotSwap(
     const cc::BeginFrameAck& begin_frame_ack) {
-  support_.BeginFrameDidNotSwap(begin_frame_ack);
+  support_->BeginFrameDidNotSwap(begin_frame_ack);
 }
 
 void OffscreenCanvasCompositorFrameSink::EvictFrame() {
-  support_.EvictFrame();
+  support_->EvictFrame();
 }
 
 void OffscreenCanvasCompositorFrameSink::DidReceiveCompositorFrameAck() {
   if (client_)
     client_->DidReceiveCompositorFrameAck();
 }
 
 void OffscreenCanvasCompositorFrameSink::OnBeginFrame(
     const cc::BeginFrameArgs& args) {
   if (client_)
     client_->OnBeginFrame(args);
 }
 
 void OffscreenCanvasCompositorFrameSink::ReclaimResources(
     const cc::ReturnedResourceArray& resources) {
   if (client_)
     client_->ReclaimResources(resources);
 }
 
 void OffscreenCanvasCompositorFrameSink::WillDrawSurface(
     const cc::LocalSurfaceId& local_surface_id,
     const gfx::Rect& damage_rect) {}
 
 void OffscreenCanvasCompositorFrameSink::OnClientConnectionLost() {
   provider_->OnCompositorFrameSinkClientConnectionLost(
-      support_.frame_sink_id());
+      support_->frame_sink_id());
 }
 
 }  // namespace content