More old files deletion.

ui/gfx/image/canvas_image_source.h

-// Copyright (c) 2012 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 UI_GFX_IMAGE_CANVAS_IMAGE_SOURCE_H_
-#define UI_GFX_IMAGE_CANVAS_IMAGE_SOURCE_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/gfx/gfx_export.h"
-#include "ui/gfx/image/image_skia_source.h"
-#include "ui/gfx/size.h"
-
-namespace gfx {
-class Canvas;
-class ImageSkiaRep;
-
-// CanvasImageSource is useful if you need to generate an image for
-// a scale factor using gfx::Canvas. It creates a new Canvas
-// with target scale factor and generates ImageSkiaRep when drawing is
-// completed.
-class GFX_EXPORT CanvasImageSource : public gfx::ImageSkiaSource {
- public:
-  CanvasImageSource(const gfx::Size& size, bool is_opaque);
-
-  // Called when a new image needs to be drawn for a scale factor.
-  virtual void Draw(gfx::Canvas* canvas) = 0;
-
-  // Returns the size of images in DIP that this source will generate.
-  const gfx::Size& size() const { return size_; };
-
-  // Overridden from gfx::ImageSkiaSource.
-  gfx::ImageSkiaRep GetImageForScale(float scale) override;
-
- protected:
-  ~CanvasImageSource() override {}
-
-  const gfx::Size size_;
-  const bool is_opaque_;
-  DISALLOW_COPY_AND_ASSIGN(CanvasImageSource);
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_IMAGE_CANVAS_IMAGE_SOURCE_H_