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diff --git a/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h b/chromium/third_party/blink/renderer/platform/transforms/transform_operations.h
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+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_
+
+#include "base/memory/scoped_refptr.h"
+#include "third_party/blink/renderer/platform/geometry/layout_size.h"
+#include "third_party/blink/renderer/platform/transforms/transform_operation.h"
+#include "third_party/blink/renderer/platform/wtf/allocator.h"
+#include "third_party/blink/renderer/platform/wtf/vector.h"
+
+namespace blink {
+class FloatBox;
+
+class PLATFORM_EXPORT EmptyTransformOperations final {
+  DISALLOW_NEW();
+};
+
+class PLATFORM_EXPORT TransformOperations {
+  DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
+
+ public:
+  explicit TransformOperations(bool make_identity = false);
+  TransformOperations(const EmptyTransformOperations&) {}
+
+  bool operator==(const TransformOperations& o) const;
+  bool operator!=(const TransformOperations& o) const { return !(*this == o); }
+
+  void Apply(const FloatSize& sz, TransformationMatrix& t) const {
+    for (auto& operation : operations_)
+      operation->Apply(t, sz);
+  }
+
+  // Return true if any of the operation types are 3D operation types (even if
+  // the values describe affine transforms)
+  bool Has3DOperation() const {
+    for (auto& operation : operations_)
+      if (operation->Is3DOperation())
+        return true;
+    return false;
+  }
+
+  // Returns true if any operation has a non-trivial component in the Z
+  // axis.
+  bool HasNonTrivial3DComponent() const {
+    for (auto& operation : operations_) {
+      if (operation->HasNonTrivial3DComponent())
+        return true;
+    }
+    return false;
+  }
+
+  bool DependsOnBoxSize() const {
+    for (auto& operation : operations_) {
+      if (operation->DependsOnBoxSize())
+        return true;
+    }
+    return false;
+  }
+
+  bool OperationsMatch(const TransformOperations&) const;
+
+  void clear() { operations_.clear(); }
+
+  Vector<scoped_refptr<TransformOperation>>& Operations() {
+    return operations_;
+  }
+  const Vector<scoped_refptr<TransformOperation>>& Operations() const {
+    return operations_;
+  }
+
+  size_t size() const { return operations_.size(); }
+  const TransformOperation* at(size_t index) const {
+    return index < operations_.size() ? operations_.at(index).get() : nullptr;
+  }
+
+  bool BlendedBoundsForBox(const FloatBox&,
+                           const TransformOperations& from,
+                           const double& min_progress,
+                           const double& max_progress,
+                           FloatBox* bounds) const;
+  TransformOperations BlendByMatchingOperations(const TransformOperations& from,
+                                                const double& progress) const;
+  scoped_refptr<TransformOperation> BlendByUsingMatrixInterpolation(
+      const TransformOperations& from,
+      double progress) const;
+  TransformOperations Blend(const TransformOperations& from,
+                            double progress) const;
+  TransformOperations Add(const TransformOperations& addend) const;
+  TransformOperations Zoom(double factor) const;
+
+ private:
+  Vector<scoped_refptr<TransformOperation>> operations_;
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORM_OPERATIONS_H_