Add openmax dl routines for review. MUST NOT BE LANDED

third_party/openmax_dl/dl/sp/src/test/aligned_ptr.h

+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_ARM_FFT_TEST_ALIGNED_PTR_H_
+#define WEBRTC_ARM_FFT_TEST_ALIGNED_PTR_H_
+
+/*
+ * Simple aligned pointer structure to get provide aligned pointers
+ * that can be freed.
+ */
+struct AlignedPtr {
+  void* raw_pointer_;
+  void* aligned_pointer_;
+};
+
+/*
+ * Allocate an aligned pointer to an area of size |bytes| bytes.  The
+ * pointer is aligned to |alignment| bytes, which MUST be a power of
+ * two.  The aligned pointer itself is in the aligned_pointer_ slot of
+ * the structure.
+ */
+struct AlignedPtr* AllocAlignedPointer(int alignment, int bytes);
+
+/*
+ * Free the memory allocated for the aligned pointer, including the
+ * object itself.
+ */
+void FreeAlignedPointer(struct AlignedPtr* pointer);
+
+#endif