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

gpu/ipc/common/dx_diag_node_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 GPU_IPC_COMMON_DX_DIAG_NODE_STRUCT_TRAITS_H_
 #define GPU_IPC_COMMON_DX_DIAG_NODE_STRUCT_TRAITS_H_
 
 #include "gpu/ipc/common/dx_diag_node.mojom.h"
 
 namespace mojo {
 
 template <>
-struct StructTraits<gpu::mojom::DxDiagNode, gpu::DxDiagNode> {
+struct StructTraits<gpu::mojom::DxDiagNodeDataView, gpu::DxDiagNode> {
   static bool Read(gpu::mojom::DxDiagNodeDataView data, gpu::DxDiagNode* out);
 
   static const std::map<std::string, std::string>& values(
       const gpu::DxDiagNode& node) {
     return node.values;
   }
 
   static const std::map<std::string, gpu::DxDiagNode>& children(
       const gpu::DxDiagNode& node) {
     return node.children;
   }
 };
 
 }  // namespace mojo
 
 #endif  // GPU_IPC_COMMON_DX_DIAG_NODE_STRUCT_TRAITS_H_