Migrate ArcBitmap to use typemapping

components/arc/bitmap/bitmap_type_converters.h

Index: components/arc/bitmap/bitmap_type_converters.h
diff --git a/components/arc/bitmap/bitmap_type_converters.h b/components/arc/bitmap/bitmap_type_converters.h
deleted file mode 100644
index 815b96513e1a71b5bf63b89f0f6dfdb3ce7d295e..0000000000000000000000000000000000000000
--- a/components/arc/bitmap/bitmap_type_converters.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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 COMPONENTS_ARC_BITMAP_BITMAP_TYPE_CONVERTERS_H_
-#define COMPONENTS_ARC_BITMAP_BITMAP_TYPE_CONVERTERS_H_
-
-#include "components/arc/common/bitmap.mojom.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace mojo {
-
-template <>
-struct TypeConverter<SkBitmap, arc::mojom::ArcBitmapPtr> {
-  static SkBitmap Convert(const arc::mojom::ArcBitmapPtr& bitmap);
-};
-
-}  // namespace mojo
-
-#endif  // COMPONENTS_ARC_BITMAP_BITMAP_TYPE_CONVERTERS_H_