Move out OnceCallback and RepeatingCallback from internal namespace

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>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/test/gtest_util.h"
 #include "build/build_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::Mock;
 using ::testing::ByMove;
 using ::testing::Return;
 using ::testing::StrictMock;
 
 namespace base {
-
-using internal::OnceCallback;
-using internal::RepeatingCallback;
-using internal::OnceClosure;
-using internal::RepeatingClosure;
-using internal::BindOnce;
-using internal::BindRepeating;
-
 namespace {
 
 class IncompleteType;
 
 class NoRef {
  public:
   NoRef() {}
 
   MOCK_METHOD0(VoidMethod0, void());
   MOCK_CONST_METHOD0(VoidConstMethod0, void());
@@ skipping 1372 matching lines @@
 
 // Test null callbacks cause a DCHECK.
 TEST(BindDeathTest, NullCallback) {
   base::Callback<void(int)> null_cb;
   ASSERT_TRUE(null_cb.is_null());
   EXPECT_DCHECK_DEATH(base::Bind(null_cb, 42));
 }
 
 }  // namespace
 }  // namespace base