117 TimeDelta TimeDelta::FromDays(int days) {  in FromDays()
118   return TimeDelta(days * Time::kMicrosecondsPerDay);  in FromDays()
122 TimeDelta TimeDelta::FromHours(int hours) {  in FromHours()
123   return TimeDelta(hours * Time::kMicrosecondsPerHour);  in FromHours()
127 TimeDelta TimeDelta::FromMinutes(int minutes) {  in FromMinutes()
128   return TimeDelta(minutes * Time::kMicrosecondsPerMinute);  in FromMinutes()
132 TimeDelta TimeDelta::FromSeconds(int64_t seconds) {  in FromSeconds()
133   return TimeDelta(seconds * Time::kMicrosecondsPerSecond);  in FromSeconds()
137 TimeDelta TimeDelta::FromMilliseconds(int64_t milliseconds) {  in FromMilliseconds()
138   return TimeDelta(milliseconds * Time::kMicrosecondsPerMillisecond);  in FromMilliseconds()
142 TimeDelta TimeDelta::FromNanoseconds(int64_t nanoseconds) {  in FromNanoseconds()
143   return TimeDelta(nanoseconds / Time::kNanosecondsPerMicrosecond);  in FromNanoseconds()
147 int TimeDelta::InDays() const {  in InDays()
152 int TimeDelta::InHours() const {  in InHours()
157 int TimeDelta::InMinutes() const {  in InMinutes()
162 double TimeDelta::InSecondsF() const {  in InSecondsF()
167 int64_t TimeDelta::InSeconds() const {  in InSeconds()
172 double TimeDelta::InMillisecondsF() const {  in InMillisecondsF()
177 int64_t TimeDelta::InMilliseconds() const {  in InMilliseconds()
182 int64_t TimeDelta::InNanoseconds() const {  in InNanoseconds()
189 TimeDelta TimeDelta::FromMachTimespec(struct mach_timespec ts) {  in FromMachTimespec()
193   return TimeDelta(ts.tv_sec * Time::kMicrosecondsPerSecond +  in FromMachTimespec()
198 struct mach_timespec TimeDelta::ToMachTimespec() const {  in ToMachTimespec()
212 TimeDelta TimeDelta::FromTimespec(struct timespec ts) {  in FromTimespec()
216   return TimeDelta(ts.tv_sec * Time::kMicrosecondsPerSecond +  in FromTimespec()
221 struct timespec TimeDelta::ToTimespec() const {  in ToTimespec()
243     const TimeDelta kMaxElapsedTime = TimeDelta::FromMinutes(1);  in Now()
253     TimeDelta elapsed = ticks - initial_ticks_;  in Now()