Android: Add chrome-specific dynamic linker.

third_party/crazy_linker/crazy_linker/src/crazy_linker_system_mock.h

Index: third_party/crazy_linker/crazy_linker/src/crazy_linker_system_mock.h
diff --git a/third_party/crazy_linker/crazy_linker/src/crazy_linker_system_mock.h b/third_party/crazy_linker/crazy_linker/src/crazy_linker_system_mock.h
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index 0000000000000000000000000000000000000000..19c9035805f5a18ddc77f4ca797c4d6d56ae9f37
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+++ b/third_party/crazy_linker/crazy_linker/src/crazy_linker_system_mock.h
@@ -0,0 +1,35 @@
+// 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.
+
+#ifndef CRAZY_LINKER_SYSTEM_MOCK_H
+#define CRAZY_LINKER_SYSTEM_MOCK_H
+
+#include <stdint.h>
+
+namespace crazy {
+
+class SystemMock {
+public:
+  // Create a new mock system instance and make ScopedFileDescriptor use it.
+  // There can be only one mock system active at a given time.
+  SystemMock();
+
+  // Destroy a mock system instance.
+  ~SystemMock();
+
+  // Add a regular file to the mock file system. |path| is the entry's
+  // path, and |data| and |data_size| are the data there. The data must
+  // stay valid until the mock file system is destroyed.
+  void AddRegularFile(const char* path,
+                      const char* data,
+                      size_t data_size);
+
+  void AddEnvVariable(const char* var_name, const char* var_value);
+
+  void SetCurrentDir(const char* path);
+};
+
+}  // namespace crazy
+
+#endif  // CRAZY_LINKER_SYSTEM_MOCK_H