Turn the utility process image decoder into a Mojo service.

skia/public/type_converters.h

Index: skia/public/type_converters.h
diff --git a/skia/public/type_converters.h b/skia/public/type_converters.h
new file mode 100644
index 0000000000000000000000000000000000000000..dc6eae0ea9661e2bff125ada8e1e3300c52e6567
--- /dev/null
+++ b/skia/public/type_converters.h
@@ -0,0 +1,26 @@
+// Copyright 2015 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 SKIA_PUBLIC_TYPE_CONVERTERS_H_
+#define SKIA_PUBLIC_TYPE_CONVERTERS_H_
+
+#include "skia/public/interfaces/image.mojom.h"
+
+class SkBitmap;
+
+namespace mojo {
+
+template <>
+struct TypeConverter<SkBitmap, skia::ImagePtr> {
+  static SkBitmap Convert(const skia::ImagePtr& image);
+};
+
+template <>
+struct TypeConverter<skia::ImagePtr, SkBitmap> {
+  static skia::ImagePtr Convert(const SkBitmap& bitmap);
+};
+
+}  // namespace mojo
+
+#endif  // SKIA_PUBLIC_TYPE_CONVERTERS_H_