Fix ringbuffer test.

gpu/command_buffer/service/mocks.cc

 // Copyright (c) 2011 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.
 
 #include "gpu/command_buffer/service/mocks.h"
 
 namespace gpu {
 
 AsyncAPIMock::AsyncAPIMock() {
   testing::DefaultValue<error::Error>::Set(
       error::kNoError);
 }
 
 AsyncAPIMock::~AsyncAPIMock() {}
 
 void AsyncAPIMock::SetToken(unsigned int command,
                             unsigned int arg_count,
                             const void* _args) {
   DCHECK(engine_);
   DCHECK_EQ(1u, command);
   DCHECK_EQ(1u, arg_count);
-  const CommandBufferEntry* args =
-      static_cast<const CommandBufferEntry*>(_args);
-  engine_->set_token(args[0].value_uint32);
+  const cmd::SetToken* args =
+      static_cast<const cmd::SetToken*>(_args);
+  engine_->set_token(args->token);
 }
 
 namespace gles2 {
 
 MockShaderTranslator::MockShaderTranslator() {}
 
 MockShaderTranslator::~MockShaderTranslator() {}
 
 }  // namespace gles2
 }  // namespace gpu