Fix i18n number formats in tray power displays

ash/system/chromeos/power/power_status_view.cc

Index: ash/system/chromeos/power/power_status_view.cc
diff --git a/ash/system/chromeos/power/power_status_view.cc b/ash/system/chromeos/power/power_status_view.cc
index 56881a9eba70fc1ef76cec2ebc25a9c0d7a56002..77dc61e73d059ae75ff9cfe13f99d72a950512a1 100644
--- a/ash/system/chromeos/power/power_status_view.cc
+++ b/ash/system/chromeos/power/power_status_view.cc
@@ -10,7 +10,8 @@
 #include "ash/system/chromeos/power/tray_power.h"
 #include "ash/system/tray/fixed_sized_image_view.h"
 #include "ash/system/tray/tray_constants.h"
-#include "base/strings/string_number_conversions.h"
+#include "base/i18n/message_formatter.h"
+#include "base/i18n/time_formatting.h"
 #include "base/strings/utf_string_conversions.h"
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -90,9 +91,9 @@ void PowerStatusView::UpdateText() {
     battery_time_status =
         rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_BATTERY_FULL);
   } else {
-    battery_percentage = l10n_util::GetStringFUTF16(
-        IDS_ASH_STATUS_TRAY_BATTERY_PERCENT_ONLY,
-        base::IntToString16(status.GetRoundedBatteryPercent()));
+    battery_percentage = base::i18n::MessageFormatter::FormatWithNumberedArgs(
+        base::ASCIIToUTF16("{0,number,percent}"),
+        static_cast<double>(status.GetRoundedBatteryPercent()) / 100.0);
     if (status.IsUsbChargerConnected()) {
       battery_time_status = rb.GetLocalizedString(
           IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE);
@@ -104,18 +105,11 @@ void PowerStatusView::UpdateText() {
           status.GetBatteryTimeToFull() : status.GetBatteryTimeToEmpty();
       if (PowerStatus::ShouldDisplayBatteryTime(time) &&
           !status.IsBatteryDischargingOnLinePower()) {
-        int hour = 0, min = 0;
-        PowerStatus::SplitTimeIntoHoursAndMinutes(time, &hour, &min);
-        base::string16 minute = min < 10 ?
-            base::ASCIIToUTF16("0") + base::IntToString16(min) :
-            base::IntToString16(min);
-        battery_time_status =
-            l10n_util::GetStringFUTF16(
-                status.IsBatteryCharging() ?
-                IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL_SHORT :
-                IDS_ASH_STATUS_TRAY_BATTERY_TIME_LEFT_SHORT,
-                base::IntToString16(hour),
-                minute);
+        battery_time_status = l10n_util::GetStringFUTF16(
+            status.IsBatteryCharging()
+                ? IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL_SHORT
+                : IDS_ASH_STATUS_TRAY_BATTERY_TIME_LEFT_SHORT,
+            TimeDurationFormat(time, base::DURATION_WIDTH_NUMERIC));
       }
     }
     battery_percentage = battery_time_status.empty() ?