Mojo C++ bindings: change the first template parameter of StructTraits and UnionTraits.

device/bluetooth/public/interfaces/bluetooth_uuid_struct_traits.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 DEVICE_BLUETOOTH_PUBLIC_INTERFACES_BLUETOOTH_UUID_STRUCT_TRAITS_H_
 #define DEVICE_BLUETOOTH_PUBLIC_INTERFACES_BLUETOOTH_UUID_STRUCT_TRAITS_H_
 
 #include <string>
 
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "device/bluetooth/public/interfaces/bluetooth_uuid.mojom.h"
 
 namespace mojo {
 
 template <>
-struct StructTraits<device::mojom::BluetoothUUID, device::BluetoothUUID> {
+struct StructTraits<device::mojom::BluetoothUUIDDataView,
+                    device::BluetoothUUID> {
   static const std::string& uuid(const device::BluetoothUUID& uuid) {
     return uuid.canonical_value();
   }
 
   static bool Read(device::mojom::BluetoothUUIDDataView input,
                    device::BluetoothUUID* output) {
     std::string result;
     if (!input.ReadUuid(&result))
       return false;
     *output = device::BluetoothUUID(result);
 
     // If the format isn't 128-bit, .value() would return a different answer
     // than .canonical_value(). Then if browser-side code accidentally checks
     // .value() against a 128-bit string literal, a hostile renderer could use
     // the 16- or 32-bit format and evade the check.
     return output->IsValid() &&
            output->format() == device::BluetoothUUID::kFormat128Bit;
   }
 };
 
 }  // namespace mojo
 
 #endif  // DEVICE_BLUETOOTH_PUBLIC_INTERFACES_BLUETOOTH_UUID_STRUCT_TRAITS_H_