Add SafeClamp(), which accepts args of different types

webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc

Index: webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
index f9313a6724dd8908b0aa7cd7dc99bd9d8109d9c3..e86d5dba02f5547a48c29f315741eb074f2a9943 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
@@ -15,6 +15,7 @@
 #include <sstream>
 
 #include "webrtc/base/constructormagic.h"
+#include "webrtc/base/safe_minmax.h"
 
 namespace webrtc {
 namespace testing {
@@ -398,8 +399,8 @@ namespace {
 inline int64_t TruncatedNSigmaGaussian(Random* const random,
                                        int64_t mean,
                                        int64_t std_dev) {
-  int64_t gaussian_random = random->Gaussian(mean, std_dev);
-  return std::max(std::min(gaussian_random, kN * std_dev), -kN * std_dev);
+  const int64_t gaussian_random = random->Gaussian(mean, std_dev);
+  return rtc::SafeClamp(-kN * std_dev, kN * std_dev, gaussian_random);
 }
 }