[Linux] Fix base_unittests for GCC 4.5.1...

base/watchdog_unittest.cc

 // Copyright (c) 2010 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.
 
 // Tests for Watchdog class.
 
 #include "base/watchdog.h"
 
 #include "base/logging.h"
 #include "base/platform_thread.h"
@@ skipping 68 matching lines @@
 TEST_F(WatchdogTest, AlarmTest) {
   WatchdogCounter watchdog(TimeDelta::FromMilliseconds(10), "Enabled", true);
   watchdog.Arm();
   SPIN_FOR_TIMEDELTA_OR_UNTIL_TRUE(TimeDelta::FromMinutes(5),
                                    watchdog.alarm_counter() > 0);
   EXPECT_EQ(1, watchdog.alarm_counter());
 }
 
 // Make sure a basic alarm fires when the time has expired.
 TEST_F(WatchdogTest, AlarmPriorTimeTest) {
-  WatchdogCounter watchdog(TimeDelta::TimeDelta(), "Enabled2", true);
+  WatchdogCounter watchdog(TimeDelta(), "Enabled2", true);
   // Set a time in the past.
   watchdog.ArmSomeTimeDeltaAgo(TimeDelta::FromSeconds(2));
   // It should instantly go off, but certainly in less than 5 minutes.
   SPIN_FOR_TIMEDELTA_OR_UNTIL_TRUE(TimeDelta::FromMinutes(5),
                                    watchdog.alarm_counter() > 0);
 
   EXPECT_EQ(1, watchdog.alarm_counter());
 }
 
 // Make sure a disable alarm does nothing, even if we arm it.
@@ skipping 33 matching lines @@
   // Set a time greater than the timeout into the past.
   watchdog.ArmSomeTimeDeltaAgo(TimeDelta::FromSeconds(10));
   // It should almost instantly go off, but certainly in less than 5 minutes.
   SPIN_FOR_TIMEDELTA_OR_UNTIL_TRUE(TimeDelta::FromMinutes(5),
                                    watchdog.alarm_counter() > 0);
 
   EXPECT_EQ(1, watchdog.alarm_counter());
 }
 
 }  // namespace