Rewrote the PRNG using an xorshift* algorithm and moved the files from test/ to base/.

webrtc/modules/audio_processing/audio_processing_impl_locking_unittest.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
 #include "webrtc/modules/audio_processing/audio_processing_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/array_view.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/event.h"
 #include "webrtc/base/platform_thread.h"
+#include "webrtc/base/random.h"
 #include "webrtc/config.h"
 #include "webrtc/modules/audio_processing/test/test_utils.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/system_wrappers/include/sleep.h"
-#include "webrtc/test/random.h"
 
 namespace webrtc {
 
 namespace {
 
 class AudioProcessingImplLockTest;
 
 // Type of the render thread APM API call to use in the test.
 enum class RenderApiImpl {
   ProcessReverseStreamImpl1,
@@ skipping 41 matching lines @@
     return rand_gen_.Rand(max);
   }
 
   float RandFloat() {
     rtc::CritScope cs(&crit_);
     return rand_gen_.Rand<float>();
   }
 
  private:
   rtc::CriticalSection crit_;
-  test::Random rand_gen_ GUARDED_BY(crit_);
+  Random rand_gen_ GUARDED_BY(crit_);
 };
 
 // Variables related to the audio data and formats.
 struct AudioFrameData {
   explicit AudioFrameData(int max_frame_size) {
     // Set up the two-dimensional arrays needed for the APM API calls.
     input_framechannels.resize(2 * max_frame_size);
     input_frame.resize(2);
     input_frame[0] = &input_framechannels[0];
     input_frame[1] = &input_framechannels[max_frame_size];
@@ skipping 1026 matching lines @@
     DISABLED_AudioProcessingImplLockExtensive,
     AudioProcessingImplLockTest,
     ::testing::ValuesIn(TestConfig::GenerateExtensiveTestConfigs()));
 
 INSTANTIATE_TEST_CASE_P(
     AudioProcessingImplLockBrief,
     AudioProcessingImplLockTest,
     ::testing::ValuesIn(TestConfig::GenerateBriefTestConfigs()));
 
 }  // namespace webrtc