Clang plugin to check that unstable types are not used in IPC.

gpu/ipc/id_type_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_ID_TYPE_TRAITS_H_
 #define GPU_IPC_ID_TYPE_TRAITS_H_
 
 #include <string>
 
 #include "base/pickle.h"
 #include "gpu/command_buffer/common/id_type.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_param_traits.h"
 
 namespace IPC {
 
 template <typename TypeMarker, typename WrappedType, WrappedType kInvalidValue>
 struct ParamTraits<gpu::IdType<TypeMarker, WrappedType, kInvalidValue>> {
   using param_type = gpu::IdType<TypeMarker, WrappedType, kInvalidValue>;
   static void GetSize(base::PickleSizer* sizer, const param_type& p) {
     GetParamSize(sizer, p.GetUnsafeValue());
   }
   static void Write(base::Pickle* m, const param_type& p) {
-    WriteParam(m, p.GetUnsafeValue());
+    WriteParam<WrappedType>(m, p.GetUnsafeValue());
   }
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r) {
     WrappedType value;
     if (!ReadParam(m, iter, &value))
       return false;
     *r = param_type::FromUnsafeValue(value);
     return true;
   }
   static void Log(const param_type& p, std::string* l) {
     LogParam(p.GetUnsafeValue(), l);
   }
 };
 
 }  // namespace IPC
 
 #endif  // GPU_IPC_ID_TYPE_TRAITS_H_