Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/test/acm_random.h

Index: third_party/libvpx/source/libvpx/test/acm_random.h
diff --git a/third_party/libvpx/source/libvpx/test/acm_random.h b/third_party/libvpx/source/libvpx/test/acm_random.h
new file mode 100644
index 0000000000000000000000000000000000000000..ff5c93ea1d4fe3fef7c2e37a1a3205d9906e04b8
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+++ b/third_party/libvpx/source/libvpx/test/acm_random.h
@@ -0,0 +1,67 @@
+/*
+ *  Copyright (c) 2012 The WebM 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 TEST_ACM_RANDOM_H_
+#define TEST_ACM_RANDOM_H_
+
+#include "third_party/googletest/src/include/gtest/gtest.h"
+
+#include "vpx/vpx_integer.h"
+
+namespace libvpx_test {
+
+class ACMRandom {
+ public:
+  ACMRandom() : random_(DeterministicSeed()) {}
+
+  explicit ACMRandom(int seed) : random_(seed) {}
+
+  void Reset(int seed) {
+    random_.Reseed(seed);
+  }
+  uint16_t Rand16(void) {
+    const uint32_t value =
+        random_.Generate(testing::internal::Random::kMaxRange);
+    return (value >> 15) & 0xffff;
+  }
+
+  uint8_t Rand8(void) {
+    const uint32_t value =
+        random_.Generate(testing::internal::Random::kMaxRange);
+    // There's a bit more entropy in the upper bits of this implementation.
+    return (value >> 23) & 0xff;
+  }
+
+  uint8_t Rand8Extremes(void) {
+    // Returns a random value near 0 or near 255, to better exercise
+    // saturation behavior.
+    const uint8_t r = Rand8();
+    return r < 128 ? r << 4 : r >> 4;
+  }
+
+  int PseudoUniform(int range) {
+    return random_.Generate(range);
+  }
+
+  int operator()(int n) {
+    return PseudoUniform(n);
+  }
+
+  static int DeterministicSeed(void) {
+    return 0xbaba;
+  }
+
+ private:
+  testing::internal::Random random_;
+};
+
+}  // namespace libvpx_test
+
+#endif  // TEST_ACM_RANDOM_H_