base: SysInfo::Uptime() returns a TimeDelta

base/sys_info_unittest.cc

Index: base/sys_info_unittest.cc
diff --git a/base/sys_info_unittest.cc b/base/sys_info_unittest.cc
index 15ae0989b1d7d4590c1cf5570a980fa901d1e1df..127d93055aa37a07e3869e53599787a292f9be4e 100644
--- a/base/sys_info_unittest.cc
+++ b/base/sys_info_unittest.cc
@@ -56,13 +56,13 @@ TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
 #endif
 
 TEST_F(SysInfoTest, Uptime) {
-  int64 up_time_1 = base::SysInfo::Uptime();
+  base::TimeDelta up_time_1 = base::SysInfo::Uptime();
   // UpTime() is implemented internally using TimeTicks::Now(), which documents
   // system resolution as being 1-15ms. Sleep a little longer than that.
   base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20));
-  int64 up_time_2 = base::SysInfo::Uptime();
-  EXPECT_GT(up_time_1, 0);
-  EXPECT_GT(up_time_2, up_time_1);
+  base::TimeDelta up_time_2 = base::SysInfo::Uptime();
+  EXPECT_GT(up_time_1.InMicroseconds(), 0);
+  EXPECT_GT(up_time_2.InMicroseconds(), up_time_1.InMicroseconds());
 }
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)