base: Remove the string logging from CHECK().

extensions/browser/api/alarms/alarm_manager.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 "extensions/browser/api/alarms/alarm_manager.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 446 matching lines @@
 
   if (create_info.when.get()) {
     // Absolute scheduling.
     js_alarm->scheduled_time = *create_info.when;
     granularity = base::Time::FromJsTime(js_alarm->scheduled_time) - now;
   } else {
     // Relative scheduling.
     double* delay_in_minutes = create_info.delay_in_minutes.get();
     if (delay_in_minutes == NULL)
       delay_in_minutes = create_info.period_in_minutes.get();
-    CHECK(delay_in_minutes != NULL)
-        << "ValidateAlarmCreateInfo in alarms_api.cc should have "
-        << "prevented this call.";
+    // ValidateAlarmCreateInfo in alarms_api.cc should have prevented this call.
+    CHECK(delay_in_minutes != NULL);
     base::TimeDelta delay = TimeDeltaFromDelay(*delay_in_minutes);
     js_alarm->scheduled_time = (now + delay).ToJsTime();
     granularity = delay;
   }
 
   if (granularity < min_granularity)
     granularity = min_granularity;
 
   // Check for repetition.
   if (create_info.period_in_minutes.get()) {
     js_alarm->period_in_minutes.reset(
         new double(*create_info.period_in_minutes));
   }
 }
 
 Alarm::~Alarm() {
 }
 
 }  // namespace extensions