More cleanups on the CanvasRenderingContextHost front

third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h

 // 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.
 
 #ifndef OffscreenCanvasRenderingContext2D_h
 #define OffscreenCanvasRenderingContext2D_h
 
 #include "core/html/canvas/CanvasContextCreationAttributes.h"
 #include "core/html/canvas/CanvasRenderingContext.h"
 #include "core/html/canvas/CanvasRenderingContextFactory.h"
@@ skipping 19 matching lines @@
         OffscreenCanvas* canvas,
         const CanvasContextCreationAttributes& attrs) override {
       return new OffscreenCanvasRenderingContext2D(script_state, canvas, attrs);
     }
 
     CanvasRenderingContext::ContextType GetContextType() const override {
       return CanvasRenderingContext::kContext2d;
     }
   };
 
-  OffscreenCanvas* offscreenCanvas() const {
+  OffscreenCanvas* offscreenCanvasForBinding() const {

[Justin Novosad, 2017/05/04 20:55:24]

Nit: Binding -> Bindings

     DCHECK(!host() || host()->IsOffscreenCanvas());
     return static_cast<OffscreenCanvas*>(host());
   }
   ScriptPromise commit(ScriptState*, ExceptionState&);
 
   // CanvasRenderingContext implementation
   ~OffscreenCanvasRenderingContext2D() override;
   ContextType GetContextType() const override { return kContext2d; }
   bool Is2d() const override { return true; }
   bool IsComposited() const override { return false; }
@@ skipping 61 matching lines @@
  private:
   bool IsPaintable() const final;
 
   RefPtr<StaticBitmapImage> TransferToStaticBitmapImage();
 
   CanvasColorSpace ColorSpace() const override;
   String ColorSpaceAsString() const override;
   CanvasPixelFormat PixelFormat() const override;
 };
 
-// TODO(fserb): remove this.
 DEFINE_TYPE_CASTS(OffscreenCanvasRenderingContext2D,
                   CanvasRenderingContext,
                   context,
                   context->Is2d() && context->host(),
                   context.Is2d() && context.host());
 
 }  // namespace blink
 
 #endif  // OffscreenCanvasRenderingContext2D_h