Mojo C++ bindings: make String16 and gfx::Size available in Blink

mojo/common/common_custom_types_struct_traits.cc

 // 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.
 
 #include "mojo/common/common_custom_types_struct_traits.h"
 
 #include <iterator>
 
 namespace mojo {
 
 // static
+mojo::ConstCArray<uint16_t>
+StructTraits<mojo::common::mojom::String16DataView, base::string16>::data(
+    const base::string16& str) {
+  return mojo::ConstCArray<uint16_t>(
+      str.size(), reinterpret_cast<const uint16_t*>(str.data()));
+}
+
+// static
+bool StructTraits<mojo::common::mojom::String16DataView, base::string16>::Read(
+    mojo::common::mojom::String16DataView data,
+    base::string16* out) {
+  mojo::ArrayDataView<uint16_t> view;
+  data.GetDataDataView(&view);
+  if (view.is_null())
+    return false;
+  out->assign(reinterpret_cast<const base::char16*>(view.data()), view.size());
+  return true;
+}
+
+// static
 const std::vector<uint32_t>&
 StructTraits<mojo::common::mojom::VersionDataView, base::Version>::components(
     const base::Version& version) {
   return version.components();
 }
 
 // static
 bool StructTraits<mojo::common::mojom::VersionDataView, base::Version>::Read(
     mojo::common::mojom::VersionDataView data,
     base::Version* out) {
@@ skipping 15 matching lines @@
 
   // Receiving a zeroed UnguessableToken is a security issue.
   if (high == 0 && low == 0)
     return false;
 
   *out = base::UnguessableToken::Deserialize(high, low);
   return true;
 }
 
 }  // namespace mojo