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diff --git a/third_party/boringssl/src/crypto/test/stl_compat.h b/third_party/boringssl/src/crypto/test/stl_compat.h
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+++ b/third_party/boringssl/src/crypto/test/stl_compat.h
@@ -0,0 +1,144 @@
+/* Copyright (c) 2015, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#ifndef OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H
+#define OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H
+
+#include <assert.h>
+
+#include <vector>
+
+
+// This header contains re-implementations of library functions from C++11. They
+// will be replaced with their standard counterparts once Chromium has C++11
+// library support in its toolchain.
+
+namespace bssl {
+
+// vector_data is a reimplementation of |std::vector::data| from C++11.
+template <class T>
+static T *vector_data(std::vector<T> *out) {
+  return out->empty() ? nullptr : &(*out)[0];
+}
+
+template <class T>
+static const T *vector_data(const std::vector<T> *out) {
+  return out->empty() ? nullptr : &(*out)[0];
+}
+
+// remove_reference is a reimplementation of |std::remove_reference| from C++11.
+template <class T>
+struct remove_reference {
+  using type = T;
+};
+
+template <class T>
+struct remove_reference<T&> {
+  using type = T;
+};
+
+template <class T>
+struct remove_reference<T&&> {
+  using type = T;
+};
+
+// move is a reimplementation of |std::move| from C++11.
+template <class T>
+typename remove_reference<T>::type &&move(T &&t) {
+  return static_cast<typename remove_reference<T>::type&&>(t);
+}
+
+// default_delete is a partial reimplementation of |std::default_delete| from
+// C++11.
+template <class T>
+struct default_delete {
+  void operator()(T *t) const {
+    enum { type_must_be_complete = sizeof(T) };
+    delete t;
+  }
+};
+
+// nullptr_t is |std::nullptr_t| from C++11.
+using nullptr_t = decltype(nullptr);
+
+// unique_ptr is a partial reimplementation of |std::unique_ptr| from C++11. It
+// intentionally does not support stateful deleters to avoid having to bother
+// with the empty member optimization.
+template <class T, class Deleter = default_delete<T>>
+class unique_ptr {
+ public:
+  unique_ptr() : ptr_(nullptr) {}
+  unique_ptr(nullptr_t) : ptr_(nullptr) {}
+  unique_ptr(T *ptr) : ptr_(ptr) {}
+  unique_ptr(const unique_ptr &u) = delete;
+
+  unique_ptr(unique_ptr &&u) : ptr_(nullptr) {
+    reset(u.release());
+  }
+
+  ~unique_ptr() {
+    reset();
+  }
+
+  unique_ptr &operator=(nullptr_t) {
+    reset();
+    return *this;
+  }
+
+  unique_ptr &operator=(unique_ptr &&u) {
+    reset(u.release());
+    return *this;
+  }
+
+  unique_ptr& operator=(const unique_ptr &u) = delete;
+
+  explicit operator bool() const {
+    return ptr_ != nullptr;
+  }
+
+  T &operator*() const {
+    assert(ptr_ != nullptr);
+    return *ptr_;
+  }
+
+  T *operator->() const {
+    assert(ptr_ != nullptr);
+    return ptr_;
+  }
+
+  T *get() const {
+    return ptr_;
+  }
+
+  T *release() {
+    T *ptr = ptr_;
+    ptr_ = nullptr;
+    return ptr;
+  }
+
+  void reset(T *ptr = nullptr) {
+    if (ptr_ != nullptr) {
+      Deleter()(ptr_);
+    }
+    ptr_ = ptr;
+  }
+
+ private:
+  T *ptr_;
+};
+
+}  // namespace bssl
+
+
+#endif  // OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H