base: SysInfo::Uptime() returns a TimeDelta

base/sys_info.cc

Index: base/sys_info.cc
diff --git a/base/sys_info.cc b/base/sys_info.cc
index f24ebd3547d80e29f7aa1a60820c85ee4caf62b2..ebc2a2e301a59e3ba3c309790b3dd85e3064d97d 100644
--- a/base/sys_info.cc
+++ b/base/sys_info.cc
@@ -55,12 +55,12 @@ std::string SysInfo::HardwareModelName() {
 #endif
 
 // static
-int64 SysInfo::Uptime() {
+base::TimeDelta SysInfo::Uptime() {
   // This code relies on an implementation detail of TimeTicks::Now() - that
   // its return value happens to coincide with the system uptime value in
   // microseconds, on Win/Mac/iOS/Linux/ChromeOS and Android.
   int64 uptime_in_microseconds = TimeTicks::Now().ToInternalValue();
-  return uptime_in_microseconds / 1000;
+  return base::TimeDelta::FromMicroseconds(uptime_in_microseconds);
 }
 
 }  // namespace base