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

cc/ipc/render_pass_id_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 CC_IPC_RENDER_PASS_ID_STRUCT_TRAITS_H_
 #define CC_IPC_RENDER_PASS_ID_STRUCT_TRAITS_H_
 
 #include "cc/ipc/render_pass_id.mojom.h"
 #include "cc/quads/render_pass_id.h"
 
 namespace mojo {
 
 template <>
-struct StructTraits<cc::mojom::RenderPassId, cc::RenderPassId> {
+struct StructTraits<cc::mojom::RenderPassIdDataView, cc::RenderPassId> {
   static int layer_id(const cc::RenderPassId& id) { return id.layer_id; }
 
   static uint32_t index(const cc::RenderPassId& id) { return id.index; }
 
   static bool Read(cc::mojom::RenderPassIdDataView data,
                    cc::RenderPassId* out) {
     out->layer_id = data.layer_id();
     out->index = data.index();
     return true;
   }
 };
 
 }  // namespace mojo
 
 #endif  // CC_IPC_RENDER_PASS_ID_STRUCT_TRAITS_H_