mojo::Callback -> base::Callback

mojo/public/cpp/bindings/tests/union_unittest.cc

 // Copyright 2014 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 <stddef.h>
 #include <stdint.h>
 #include <utility>
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
@@ skipping 1220 matching lines @@
  public:
   UnionInterfaceImpl() {}
   ~UnionInterfaceImpl() override {}
 
  private:
   void Echo(PodUnionPtr in, const EchoCallback& callback) override {
     callback.Run(std::move(in));
   }
 };
 
+void ExpectInt16(int16_t value, PodUnionPtr out) {
+  EXPECT_EQ(value, out->get_f_int16());
+}
+
 TEST(UnionTest, UnionInInterface) {
   base::MessageLoop run_loop;
   UnionInterfaceImpl impl;
   UnionInterfacePtr ptr;
   Binding<UnionInterface> bindings(&impl, GetProxy(&ptr));
 
   PodUnionPtr pod(PodUnion::New());
   pod->set_f_int16(16);
 
-  ptr->Echo(std::move(pod),
-            [](PodUnionPtr out) { EXPECT_EQ(16, out->get_f_int16()); });
+  ptr->Echo(std::move(pod), base::Bind(&ExpectInt16, 16));
   run_loop.RunUntilIdle();
 }
 
 }  // namespace test
 }  // namespace mojo