Replace base::Tuple implementation with std::tuple

base/bind_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 316 matching lines @@
 //   - Normal function bound with non-refcounted first argument.
 //   - Method bound to non-const object.
 //   - Method bound to scoped_refptr.
 //   - Const method bound to non-const object.
 //   - Const method bound to const object.
 //   - Derived classes can be used with pointers to non-virtual base functions.
 //   - Derived classes can be used with pointers to virtual base functions (and
 //     preserve virtual dispatch).
 TEST_F(BindTest, FunctionTypeSupport) {
   EXPECT_CALL(static_func_mock_, VoidMethod0());
-  EXPECT_CALL(has_ref_, AddRef()).Times(5);
-  EXPECT_CALL(has_ref_, Release()).Times(5);
+  EXPECT_CALL(has_ref_, AddRef()).Times(4);
+  EXPECT_CALL(has_ref_, Release()).Times(4);
   EXPECT_CALL(has_ref_, VoidMethod0()).Times(2);
   EXPECT_CALL(has_ref_, VoidConstMethod0()).Times(2);
 
   Closure normal_cb = Bind(&VoidFunc0);
   Callback<NoRef*()> normal_non_refcounted_cb =
       Bind(&PolymorphicIdentity<NoRef*>, &no_ref_);
   normal_cb.Run();
   EXPECT_EQ(&no_ref_, normal_non_refcounted_cb.Run());
 
   Closure method_cb = Bind(&HasRef::VoidMethod0, &has_ref_);
@@ skipping 535 matching lines @@
   base::Callback<void(int)> null_cb;
   ASSERT_TRUE(null_cb.is_null());
   EXPECT_DEATH(base::Bind(null_cb, 42), "");
 }
 
 #endif  // (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) &&
         //     GTEST_HAS_DEATH_TEST
 
 }  // namespace
 }  // namespace base