Remove unused UnsafeBindtoRefCountedArg in bind_helpers.h

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 632 matching lines @@
   EXPECT_EQ(1, array_cb.Run());
 
   Callback<int()> const_array_cb = Bind(&ArrayGet, *const_array_ptr, 1);
   EXPECT_EQ(1, const_array_cb.Run());
 
   array[1] = 3;
   EXPECT_EQ(3, array_cb.Run());
   EXPECT_EQ(3, const_array_cb.Run());
 }
 
-// Verify SupportsAddRefAndRelease correctly introspects the class type for
-// AddRef() and Release().
-//  - Class with AddRef() and Release()
-//  - Class without AddRef() and Release()
-//  - Derived Class with AddRef() and Release()
-//  - Derived Class without AddRef() and Release()
-//  - Derived Class with AddRef() and Release() and a private destructor.
-TEST_F(BindTest, SupportsAddRefAndRelease) {
-  EXPECT_TRUE(internal::SupportsAddRefAndRelease<HasRef>::value);
-  EXPECT_FALSE(internal::SupportsAddRefAndRelease<NoRef>::value);
-
-  // StrictMock<T> is a derived class of T.  So, we use StrictMock<HasRef> and
-  // StrictMock<NoRef> to test that SupportsAddRefAndRelease works over
-  // inheritance.
-  EXPECT_TRUE(internal::SupportsAddRefAndRelease<StrictMock<HasRef> >::value);
-  EXPECT_FALSE(internal::SupportsAddRefAndRelease<StrictMock<NoRef> >::value);
-
-  // This matters because the implementation creates a dummy class that
-  // inherits from the template type.
-  EXPECT_TRUE(internal::SupportsAddRefAndRelease<HasRefPrivateDtor>::value);
-}
-
 // Unretained() wrapper support.
 //   - Method bound to Unretained() non-const object.
 //   - Const method bound to Unretained() non-const object.
 //   - Const method bound to Unretained() const object.
 TEST_F(BindTest, Unretained) {
   EXPECT_CALL(no_ref_, VoidMethod0());
   EXPECT_CALL(no_ref_, VoidConstMethod0()).Times(2);
 
   Callback<void()> method_cb =
       Bind(&NoRef::VoidMethod0, Unretained(&no_ref_));
@@ skipping 409 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