Update from https://crrev.com/333737

third_party/android_crazy_linker/src/src/crazy_linker_globals.h

Index: third_party/android_crazy_linker/src/src/crazy_linker_globals.h
diff --git a/third_party/android_crazy_linker/src/src/crazy_linker_globals.h b/third_party/android_crazy_linker/src/src/crazy_linker_globals.h
new file mode 100644
index 0000000000000000000000000000000000000000..0d6e365e1935b11136b513a314d394b49c6873f3
--- /dev/null
+++ b/third_party/android_crazy_linker/src/src/crazy_linker_globals.h
@@ -0,0 +1,56 @@
+// Copyright 2014 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.
+
+#ifndef CRAZY_LINKER_GLOBALS_H
+#define CRAZY_LINKER_GLOBALS_H
+
+#include <pthread.h>
+
+#include "crazy_linker_library_list.h"
+#include "crazy_linker_rdebug.h"
+#include "crazy_linker_search_path_list.h"
+#include "crazy_linker_util.h"
+
+// All crazy linker globals are declared in this header.
+
+namespace crazy {
+
+class Globals {
+ public:
+  Globals();
+  ~Globals();
+
+  void Lock() { pthread_mutex_lock(&lock_); }
+
+  void Unlock() { pthread_mutex_unlock(&lock_); }
+
+  static Globals* Get();
+
+  static LibraryList* GetLibraries() { return &Get()->libraries_; }
+
+  static SearchPathList* GetSearchPaths() { return &Get()->search_paths_; }
+
+  static RDebug* GetRDebug() { return &Get()->rdebug_; }
+
+  static int* GetSDKBuildVersion() { return &sdk_build_version_; }
+
+ private:
+  pthread_mutex_t lock_;
+  LibraryList libraries_;
+  SearchPathList search_paths_;
+  RDebug rdebug_;
+  static int sdk_build_version_;
+};
+
+// Helper class to access the globals with scoped locking.
+class ScopedGlobalLock {
+ public:
+  ScopedGlobalLock() { Globals::Get()->Lock(); }
+
+  ~ScopedGlobalLock() { Globals::Get()->Unlock(); }
+};
+
+}  // namespace crazy
+
+#endif  // CRAZY_LINKER_GLOBALS_H