Android: Add chrome-specific dynamic linker.

third_party/crazy_linker/crazy_linker/src/crazy_linker_globals.cpp

+// Copyright (c) 2013 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 "crazy_linker_globals.h"
+
+#include <pthread.h>
+
+#include "crazy_linker_system.h"
+
+namespace crazy {
+
+namespace {
+
+Globals* g_globals = NULL;
+pthread_once_t g_globals_once = PTHREAD_ONCE_INIT;
+
+void CreateGlobalsInstance() {
+  g_globals = new Globals();
+}
+
+}  // namespace
+
+Globals::Globals() : search_paths_(), rdebug_() {
+  pthread_mutex_init(&lock_, NULL);
+  search_paths_.ResetFromEnv("LD_LIBRARY_PATH");
+}
+
+Globals::~Globals() {
+  pthread_mutex_destroy(&lock_);
+}
+
+Globals* Globals::Get() {
+  pthread_once(&g_globals_once, CreateGlobalsInstance);
+  return g_globals;
+}
+
+}  // namespace crazy