Convert utility process ParseMediaMetadata IPC to mojo

chrome/common/extensions/media_parser_struct_traits.cc

Index: chrome/common/extensions/media_parser_struct_traits.cc
diff --git a/chrome/common/extensions/media_parser_struct_traits.cc b/chrome/common/extensions/media_parser_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a93fc262a8849835a19176142bf55676d51168b9
--- /dev/null
+++ b/chrome/common/extensions/media_parser_struct_traits.cc
@@ -0,0 +1,30 @@
+// Copyright 2017 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.
+
+#include "chrome/common/extensions/media_parser_struct_traits.h"
+#include "mojo/public/cpp/bindings/array_data_view.h"
+
+namespace {
+
+using TypeImageDataView = extensions::mojom::AttachedImageDataView;
+using TypeImage = ::metadata::AttachedImage;
+
+}  // namespace
+
+namespace mojo {
+
+// static
+bool StructTraits<TypeImageDataView, TypeImage>::Read(TypeImageDataView view,
+                                                      TypeImage* out) {
+  if (!view.ReadType(&out->type))
+    return false;
+
+  ArrayDataView<uint8_t> data;
+  view.GetDataDataView(&data);
+
+  out->data.assign(reinterpret_cast<const char*>(data.data()), data.size());
+  return true;
+}
+
+}  // namespace mojo