Remove base::is_*assignable as these are now in the linux sysroot.

base/template_util_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/template_util.h"
 
 #include <string>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 12 matching lines @@
 std::ostream& operator<<(std::ostream& os, const StructWithOperator& v) {
   return os;
 }
 
 // is_non_const_reference<Type>
 static_assert(!is_non_const_reference<int>::value, "IsNonConstReference");
 static_assert(!is_non_const_reference<const int&>::value,
               "IsNonConstReference");
 static_assert(is_non_const_reference<int&>::value, "IsNonConstReference");
 
-class AssignParent {};
-class AssignChild : AssignParent {};
-
-// is_assignable<Type1, Type2>
-static_assert(!is_assignable<int, int>::value, "IsAssignable");  // 1 = 1;
-static_assert(!is_assignable<int, double>::value, "IsAssignable");
-static_assert(is_assignable<int&, int>::value, "IsAssignable");
-static_assert(is_assignable<int&, double>::value, "IsAssignable");
-static_assert(is_assignable<int&, int&>::value, "IsAssignable");
-static_assert(is_assignable<int&, int const&>::value, "IsAssignable");
-static_assert(!is_assignable<int const&, int>::value, "IsAssignable");
-static_assert(!is_assignable<AssignParent&, AssignChild>::value,
-              "IsAssignable");
-static_assert(!is_assignable<AssignChild&, AssignParent>::value,
-              "IsAssignable");
-
-struct AssignCopy {};
-struct AssignNoCopy {
-  AssignNoCopy& operator=(AssignNoCopy&&) { return *this; }
-  AssignNoCopy& operator=(const AssignNoCopy&) = delete;
-};
-struct AssignNoMove {
-  AssignNoMove& operator=(AssignNoMove&&) = delete;
-  AssignNoMove& operator=(const AssignNoMove&) = delete;
-};
-
-static_assert(is_copy_assignable<AssignCopy>::value, "IsCopyAssignable");
-static_assert(!is_copy_assignable<AssignNoCopy>::value, "IsCopyAssignable");
-
-static_assert(is_move_assignable<AssignCopy>::value, "IsMoveAssignable");
-static_assert(is_move_assignable<AssignNoCopy>::value, "IsMoveAssignable");
-static_assert(!is_move_assignable<AssignNoMove>::value, "IsMoveAssignable");
-
 // A few standard types that definitely support printing.
 static_assert(internal::SupportsOstreamOperator<int>::value,
               "ints should be printable");
 static_assert(internal::SupportsOstreamOperator<const char*>::value,
               "C strings should be printable");
 static_assert(internal::SupportsOstreamOperator<std::string>::value,
               "std::string should be printable");
 
 // Various kinds of enums operator<< support.
 static_assert(internal::SupportsOstreamOperator<SimpleEnum>::value,
@@ skipping 44 matching lines @@
 };
 
 static_assert(is_trivially_destructible<int>::value, "IsTriviallyDestructible");
 static_assert(is_trivially_destructible<TriviallyDestructible>::value,
               "IsTriviallyDestructible");
 static_assert(!is_trivially_destructible<NonTriviallyDestructible>::value,
               "IsTriviallyDestructible");
 
 }  // namespace
 }  // namespace base