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* layerTreeView)
     : m_weakFactory(this),
       m_observer(observer),
       m_binding(this),
       m_frameSinkId(Platform::current()->generateFrameSinkId()),
       m_parentFrameSinkId(layerTreeView->getFrameSinkId()) {
   m_refFactory =
       new OffscreenCanvasSurfaceReferenceFactory(m_weakFactory.GetWeakPtr());
 
   DCHECK(!m_service.is_bound());
-  mojom::blink::OffscreenCanvasSurfaceFactoryPtr serviceFactory;
+  mojom::blink::OffscreenCanvasProviderPtr provider;
   Platform::current()->interfaceProvider()->getInterface(
-      mojo::MakeRequest(&serviceFactory));
+      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.
-  serviceFactory->CreateOffscreenCanvasSurface(
-      m_parentFrameSinkId, m_frameSinkId, m_binding.CreateInterfacePtrAndBind(),
-      mojo::MakeRequest(&m_service));
+  provider->CreateOffscreenCanvasSurface(m_parentFrameSinkId, m_frameSinkId,
+                                         m_binding.CreateInterfacePtrAndBind(),
+                                         mojo::MakeRequest(&m_service));
 }
 
 CanvasSurfaceLayerBridge::~CanvasSurfaceLayerBridge() {
   m_observer = nullptr;
 }
 
 void CanvasSurfaceLayerBridge::createSolidColorLayer() {
   m_CCLayer = cc::SolidColorLayer::Create();
   m_CCLayer->SetBackgroundColor(SK_ColorTRANSPARENT);
   m_webLayer = Platform::current()->compositorSupport()->createLayerFromCCLayer(
@@ skipping 37 matching lines @@
   m_service->Satisfy(sequence);
 }
 
 void CanvasSurfaceLayerBridge::requireCallback(
     const cc::SurfaceId& surfaceId,
     const cc::SurfaceSequence& sequence) {
   m_service->Require(surfaceId, sequence);
 }
 
 }  // namespace blink