[Onion Soup] Move WebBluetoothImpl from //content/renderer/bluetooth to Blink's bluetooth module

third_party/WebKit/Source/modules/bluetooth/BluetoothUUIDTraits.h

+// 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 BluetoothUUIDTraits_h
+#define BluetoothUUIDTraits_h
+
+#include "device/bluetooth/public/interfaces/uuid.mojom-blink.h"
+#include "wtf/text/WTFString.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<bluetooth::mojom::blink::UUID::DataView, WTF::String> {
+  static const WTF::String& uuid(const WTF::String& input) { return input; }
+
+  static bool Read(bluetooth::mojom::blink::UUID::DataView data,
+                   WTF::String* output) {
+    StringDataView view;
+    data.GetUuidDataView(&view);
+    *output = WTF::String(reinterpret_cast<const UChar*>(view.storage()),

[dcheng, 2016/12/29 08:58:06]

Can this just be:

return data.ReadUuid(output);

Also, Read() is usually out-of-lined as well, since it can end up potentially
inlining a fair amount of other code.

[juncai, 2016/12/29 22:22:59]

Done.

+                          view.size());
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // BluetoothUUIDTraits_h