[1203][MemoryPressureHandler] Increase default fraction values

Author: magomez

Source/WTF/wtf/MemoryPressureHandler.cpp

@@ -44,8 +44,8 @@ WTF_EXPORT_PRIVATE bool MemoryPressureHandler::ReliefLogger::s_loggingEnabled =
 static const double s_conservativeThresholdFraction = 0.5;
 static const double s_strictThresholdFraction = 0.65;
 #else
-static const double s_conservativeThresholdFraction = 0.33;
-static const double s_strictThresholdFraction = 0.5;
+static const double s_conservativeThresholdFraction = 0.8;
+static const double s_strictThresholdFraction = 0.9;
 #endif
 static const std::optional<double> s_killThresholdFraction;
 static const Seconds s_pollInterval = 30_s;