Convert offscreen canvas to use FrameSinkManagerHost.

third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp

 // 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 "platform/graphics/CanvasSurfaceLayerBridge.h"
 
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/layers/surface_layer.h"
 #include "cc/surfaces/sequence_surface_reference_factory.h"
@@ skipping 49 matching lines @@
     WebLayerTreeView* layer_tree_view)
     : weak_factory_(this),
       observer_(observer),
       binding_(this),
       frame_sink_id_(Platform::Current()->GenerateFrameSinkId()),
       parent_frame_sink_id_(layer_tree_view->GetFrameSinkId()) {
   ref_factory_ =
       new OffscreenCanvasSurfaceReferenceFactory(weak_factory_.GetWeakPtr());
 
   DCHECK(!service_.is_bound());
-  mojom::blink::OffscreenCanvasSurfaceFactoryPtr service_factory;
+  mojom::blink::OffscreenCanvasProviderPtr provider;
   Platform::Current()->GetInterfaceProvider()->GetInterface(
-      mojo::MakeRequest(&service_factory));
+      mojo::MakeRequest(&provider));
   // TODO(xlai): Ensure OffscreenCanvas commit() is still functional when a
   // frame-less HTML canvas's document is reparenting under another frame.
   // See crbug.com/683172.
-  service_factory->CreateOffscreenCanvasSurface(
-      parent_frame_sink_id_, frame_sink_id_,
-      binding_.CreateInterfacePtrAndBind(), mojo::MakeRequest(&service_));
+  provider->CreateOffscreenCanvasSurface(parent_frame_sink_id_, frame_sink_id_,
+                                         binding_.CreateInterfacePtrAndBind(),
+                                         mojo::MakeRequest(&service_));
 }
 
 CanvasSurfaceLayerBridge::~CanvasSurfaceLayerBridge() {
   observer_ = nullptr;
 }
 
 void CanvasSurfaceLayerBridge::CreateSolidColorLayer() {
   cc_layer_ = cc::SolidColorLayer::Create();
   cc_layer_->SetBackgroundColor(SK_ColorTRANSPARENT);
   web_layer_ = Platform::Current()->CompositorSupport()->CreateLayerFromCCLayer(
@@ skipping 37 matching lines @@
   service_->Satisfy(sequence);
 }
 
 void CanvasSurfaceLayerBridge::RequireCallback(
     const cc::SurfaceId& surface_id,
     const cc::SurfaceSequence& sequence) {
   service_->Require(surface_id, sequence);
 }
 
 }  // namespace blink