Fix typo.

Caculator -> Calculator

PiperOrigin-RevId: 572661276

quiche/quic/core/congestion_control/rtt_stats.cc

diff --git a/quiche/quic/core/congestion_control/rtt_stats.cc b/quiche/quic/core/congestion_control/rtt_stats.cc
index d679cd6..c3b0103 100644
--- a/quiche/quic/core/congestion_control/rtt_stats.cc
+++ b/quiche/quic/core/congestion_control/rtt_stats.cc
@@ -111,7 +111,7 @@
   return standard_deviation_calculator_.CalculateStandardDeviation();
 }
 
-void RttStats::StandardDeviationCaculator::OnNewRttSample(
+void RttStats::StandardDeviationCalculator::OnNewRttSample(
     QuicTime::Delta rtt_sample, QuicTime::Delta smoothed_rtt) {
   double new_value = rtt_sample.ToMicroseconds();
   if (smoothed_rtt.IsZero()) {
@@ -123,7 +123,7 @@
 }
 
 QuicTime::Delta
-RttStats::StandardDeviationCaculator::CalculateStandardDeviation() const {
+RttStats::StandardDeviationCalculator::CalculateStandardDeviation() const {
   QUICHE_DCHECK(has_valid_standard_deviation);
   return QuicTime::Delta::FromMicroseconds(sqrt(m2));
 }

quiche/quic/core/congestion_control/rtt_stats.h

diff --git a/quiche/quic/core/congestion_control/rtt_stats.h b/quiche/quic/core/congestion_control/rtt_stats.h
index 1dc6708..7088860 100644
--- a/quiche/quic/core/congestion_control/rtt_stats.h
+++ b/quiche/quic/core/congestion_control/rtt_stats.h
@@ -26,8 +26,8 @@
   // Calculates running standard-deviation using Welford's algorithm:
   // https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#
   // Welford's_Online_algorithm.
-  struct QUICHE_EXPORT StandardDeviationCaculator {
-    StandardDeviationCaculator() {}
+  struct QUICHE_EXPORT StandardDeviationCalculator {
+    StandardDeviationCalculator() {}
 
     // Called when a new RTT sample is available.
     void OnNewRttSample(QuicTime::Delta rtt_sample,
@@ -120,7 +120,7 @@
   QuicTime::Delta mean_deviation_;
   // Standard deviation calculator. Only used calculate_standard_deviation_ is
   // true.
-  StandardDeviationCaculator standard_deviation_calculator_;
+  StandardDeviationCalculator standard_deviation_calculator_;
   bool calculate_standard_deviation_;
   QuicTime::Delta initial_rtt_;
   QuicTime last_update_time_;

quiche/quic/core/congestion_control/rtt_stats_test.cc

diff --git a/quiche/quic/core/congestion_control/rtt_stats_test.cc b/quiche/quic/core/congestion_control/rtt_stats_test.cc
index 11bf11a..e18e9ba 100644
--- a/quiche/quic/core/congestion_control/rtt_stats_test.cc
+++ b/quiche/quic/core/congestion_control/rtt_stats_test.cc
@@ -178,7 +178,7 @@
   EXPECT_EQ(QuicTime::Delta::Zero(), rtt_stats_.min_rtt());
 }
 
-TEST_F(RttStatsTest, StandardDeviationCaculatorTest1) {
+TEST_F(RttStatsTest, StandardDeviationCalculatorTest1) {
   // All samples are the same.
   rtt_stats_.EnableStandardDeviationCalculation();
   rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(10),
@@ -193,7 +193,7 @@
   EXPECT_EQ(QuicTime::Delta::Zero(), rtt_stats_.GetStandardOrMeanDeviation());
 }
 
-TEST_F(RttStatsTest, StandardDeviationCaculatorTest2) {
+TEST_F(RttStatsTest, StandardDeviationCalculatorTest2) {
   // Small variance.
   rtt_stats_.EnableStandardDeviationCalculation();
   rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(10),
@@ -212,7 +212,7 @@
             rtt_stats_.GetStandardOrMeanDeviation());
 }
 
-TEST_F(RttStatsTest, StandardDeviationCaculatorTest3) {
+TEST_F(RttStatsTest, StandardDeviationCalculatorTest3) {
   // Some variance.
   rtt_stats_.EnableStandardDeviationCalculation();
   rtt_stats_.UpdateRtt(QuicTime::Delta::FromMilliseconds(50),