Convert offscreen canvas to use FrameSinkManagerHost.

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

Index: third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp b/third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp
index 58267947179cd1e34f834c772161d74313ca677a..2e978a7fcba3a81ef70845a6b203d8cdcfbec9c0 100644
--- a/third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp
+++ b/third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridge.cpp
@@ -67,15 +67,15 @@ CanvasSurfaceLayerBridge::CanvasSurfaceLayerBridge(
       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() {