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diff --git a/chromium/third_party/blink/renderer/platform/graphics/replaying_canvas.h b/chromium/third_party/blink/renderer/platform/graphics/replaying_canvas.h
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+++ b/chromium/third_party/blink/renderer/platform/graphics/replaying_canvas.h
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+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_
+
+#include "third_party/blink/renderer/platform/graphics/intercepting_canvas.h"
+
+namespace blink {
+
+class ReplayingCanvas;
+
+template <>
+class CanvasInterceptor<ReplayingCanvas>
+    : protected InterceptingCanvasBase::CanvasInterceptorBase<ReplayingCanvas> {
+ public:
+  CanvasInterceptor(InterceptingCanvasBase* canvas)
+      : InterceptingCanvasBase::CanvasInterceptorBase<ReplayingCanvas>(canvas) {
+  }
+  ~CanvasInterceptor();
+};
+
+class ReplayingCanvas : public InterceptingCanvas<ReplayingCanvas>,
+                        public SkPicture::AbortCallback {
+ public:
+  ReplayingCanvas(SkBitmap, unsigned from_step, unsigned to_step);
+
+  bool abort() override;
+  SkCanvas::SaveLayerStrategy getSaveLayerStrategy(
+      const SaveLayerRec&) override;
+  void onDrawPicture(const SkPicture*,
+                     const SkMatrix*,
+                     const SkPaint*) override;
+
+ private:
+  friend class CanvasInterceptor<ReplayingCanvas>;
+
+  void UpdateInRange();
+
+  unsigned from_step_;
+  unsigned to_step_;
+  bool abort_drawing_;
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_