base: Make TimeDurationFormat* report failures.

ash/common/system/chromeos/power/power_status_view.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/system/chromeos/power/power_status_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/chromeos/power/power_status.h"
 #include "ash/common/system/chromeos/power/tray_power.h"
 #include "ash/common/system/tray/fixed_sized_image_view.h"
@@ skipping 106 matching lines @@
           IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE);
     } else if (status.IsBatteryTimeBeingCalculated()) {
       battery_time_status =
           l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_BATTERY_CALCULATING);
     } else {
       base::TimeDelta time = status.IsBatteryCharging()
                                  ? status.GetBatteryTimeToFull()
                                  : status.GetBatteryTimeToEmpty();
       if (PowerStatus::ShouldDisplayBatteryTime(time) &&
           !status.IsBatteryDischargingOnLinePower()) {
+        base::string16 duration;
+        if (!base::TimeDurationFormat(time, base::DURATION_WIDTH_NUMERIC,
+                                      &duration))
+          LOG(ERROR) << "Failed to format duration " << time.ToInternalValue();
         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));
+            duration);
       }
     }
   }
   percentage_label_->SetVisible(!battery_percentage.empty());
   percentage_label_->SetText(battery_percentage);
   separator_label_->SetVisible(!battery_percentage.empty() &&
                                !battery_time_status.empty());
   time_status_label_->SetVisible(!battery_time_status.empty());
   time_status_label_->SetText(battery_time_status);
 
@@ skipping 25 matching lines @@
 
 void PowerStatusView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
   if (!MaterialDesignController::IsSystemTrayMenuMaterial())
     return;
 
   node_data->role = ui::AX_ROLE_LABEL_TEXT;
   node_data->SetName(accessible_name_);
 }
 
 }  // namespace ash