Move scoped_temp_dir and scoped_native_library back from base/memory to base.

base/memory/scoped_native_library_unittest.cc

-// Copyright (c) 2011 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/memory/scoped_native_library.h"
-#if defined(OS_WIN)
-#include "base/file_path.h"
-#endif
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-// Tests whether or not a function pointer retrieved via ScopedNativeLibrary
-// is available only in a scope.
-TEST(ScopedNativeLibrary, Basic) {
-#if defined(OS_WIN)
-  // Get the pointer to DirectDrawCreate() from "ddraw.dll" and verify it
-  // is valid only in this scope.
-  // FreeLibrary() doesn't actually unload a DLL until its reference count
-  // becomes zero, i.e. this function pointer is still valid if the DLL used
-  // in this test is also used by another part of this executable.
-  // So, this test uses "ddraw.dll", which is not used by Chrome at all but
-  // installed on all versions of Windows.
-  FARPROC test_function;
-  {
-    FilePath path(base::GetNativeLibraryName(L"ddraw"));
-    base::ScopedNativeLibrary library(path);
-    test_function = reinterpret_cast<FARPROC>(
-        library.GetFunctionPointer("DirectDrawCreate"));
-    EXPECT_EQ(0, IsBadCodePtr(test_function));
-  }
-  EXPECT_NE(0, IsBadCodePtr(test_function));
-#endif
-}