chromeos: Fix a bug in the battery-time-rounding code.

ash/system/chromeos/power/power_status_unittest.cc

Index: ash/system/chromeos/power/power_status_unittest.cc
diff --git a/ash/system/chromeos/power/power_status_unittest.cc b/ash/system/chromeos/power/power_status_unittest.cc
index cf1da4b06cf6275f183ac07267b59009e38a8f52..f983f26130f04c053afb6daa9640af087e2b73ad 100644
--- a/ash/system/chromeos/power/power_status_unittest.cc
+++ b/ash/system/chromeos/power/power_status_unittest.cc
@@ -138,6 +138,18 @@ TEST_F(PowerStatusTest, SplitTimeIntoHoursAndMinutes) {
       base::TimeDelta::FromSeconds(2 * 3600 + 3 * 60 + 29), &hours, &minutes);
   EXPECT_EQ(2, hours);
   EXPECT_EQ(3, minutes);
+
+  // Check that times close to hour boundaries aren't incorrectly rounded such
+  // that they display 60 minutes: http://crbug.com/368261
+  PowerStatus::SplitTimeIntoHoursAndMinutes(
+      base::TimeDelta::FromSecondsD(3599.9), &hours, &minutes);
+  EXPECT_EQ(1, hours);
+  EXPECT_EQ(0, minutes);
+
+  PowerStatus::SplitTimeIntoHoursAndMinutes(
+      base::TimeDelta::FromSecondsD(3600.1), &hours, &minutes);
+  EXPECT_EQ(1, hours);
+  EXPECT_EQ(0, minutes);
 }
 
 }  // namespace ash