cc: Refactor SkipImageCanvas and create it during playback.

cc/playback/skip_image_canvas.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 CC_PLAYBACK_SKIP_IMAGE_CANVAS_H_
+#define CC_PLAYBACK_SKIP_IMAGE_CANVAS_H_
+
+#include "third_party/skia/include/utils/SkPaintFilterCanvas.h"
+
+namespace cc {
+
+class SkipImageCanvas : public SkPaintFilterCanvas {
+ public:
+  explicit SkipImageCanvas(SkCanvas* canvas);
+
+ private:
+  bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type type) const override;
+
+  void onDrawPicture(const SkPicture* picture,
+                     const SkMatrix* matrix,
+                     const SkPaint* paint) override;
+};
+
+}  // namespace cc
+
+#endif  // CC_PLAYBACK_SKIP_IMAGE_CANVAS_H_