Switch to standard integer types in net/.

net/base/network_quality_estimator.cc

Index: net/base/network_quality_estimator.cc
diff --git a/net/base/network_quality_estimator.cc b/net/base/network_quality_estimator.cc
index 2c0f1e1577a3db40330de9f4e9fa48b8ac9691c9..2344a02a93a7e459a53a8c99439c493028f92afc 100644
--- a/net/base/network_quality_estimator.cc
+++ b/net/base/network_quality_estimator.cc
@@ -402,7 +402,7 @@ void NetworkQualityEstimator::RecordRTTUMA(int32_t estimated_value_msec,
   if (actual_value_msec == 0)
     return;
 
-  int32 ratio = (estimated_value_msec * 100) / actual_value_msec;
+  int32_t ratio = (estimated_value_msec * 100) / actual_value_msec;
 
   // Record the accuracy of estimation by recording the ratio of estimated
   // value to the actual value.