Enable loading native libraries with RTLD_DEEPBIND

base/test/test_shared_library.cc

+// Copyright 2016 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/test/native_library_test_utils.h"
+#include "build/build_config.h"
+
+extern "C" {
+
+int NATIVE_LIBRARY_TEST_ALWAYS_EXPORT GetExportedValue() {
+  return g_native_library_exported_value;
+}
+
+void NATIVE_LIBRARY_TEST_ALWAYS_EXPORT SetExportedValue(int value) {
+  g_native_library_exported_value = value;
+}
+
+// A test function used only to verify basic dynamic symbol resolution.
+int NATIVE_LIBRARY_TEST_ALWAYS_EXPORT GetSimpleTestValue() {
+  return 5;
+}
+
+// When called by |NativeLibraryTest.LoadLibraryPreferOwnSymbols|, this should
+// forward to the local definition of NativeLibraryTestIncrement(), even though
+// the test module also links in the native_library_test_utils source library
+// which exports it.
+int NATIVE_LIBRARY_TEST_ALWAYS_EXPORT GetIncrementValue() {
+  return NativeLibraryTestIncrement();
+}
+
+}  // extern "C"