Remove WebGraphicsContext/WebGraphicsContextImpl

third_party/WebKit/Source/web/WebGraphicsContextImpl.h

-// Copyright 2015 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 WebGraphicsContextImpl_h
-#define WebGraphicsContextImpl_h
-
-#include "platform/graphics/paint/DisplayItem.h"
-#include "platform/graphics/paint/DisplayItemClient.h"
-#include "public/web/WebGraphicsContext.h"
-#include "wtf/OwnPtr.h"
-
-namespace blink {
-
-class DrawingRecorder;
-class GraphicsContext;
-
-// Wraps a blink::GraphicsContext.
-// Internal consumers can extract the underlying context (via WebGraphicsContextImpl).
-// External consumers can make a single drawing using a WebCanvas.
-class WebGraphicsContextImpl : public WebGraphicsContext {
-public:
-    WebGraphicsContextImpl(GraphicsContext&, const DisplayItemClientWrapper&, DisplayItem::Type);
-    ~WebGraphicsContextImpl();
-    GraphicsContext& graphicsContext() { return m_graphicsContext; }
-
-    // blink::WebGraphicsContext
-    WebCanvas* beginDrawing(const WebFloatRect& bounds) override;
-    void endDrawing() override;
-
-private:
-    GraphicsContext& m_graphicsContext;
-    DisplayItemClientWrapper m_client;
-    DisplayItem::Type m_type;
-    OwnPtr<DrawingRecorder> m_drawingRecorder;
-#ifndef NDEBUG
-    bool m_hasBegunDrawing;
-#endif
-};
-
-// Source/web/ assumes that WebGraphicsContextImpl is the only implementation.
-DEFINE_TYPE_CASTS(WebGraphicsContextImpl, WebGraphicsContext, webGraphicsContext, true, true);
-
-} // namespace blink
-
-#endif