Fix ResourceServiceTest_UnpackPromoSignal_Test

Fix ResourceServiceTest_UnpackPromoSignal_Test

Fix for the following bug:
[11725:11725:1206/035953:10306309386:ERROR:base/process_util_posix.cc(105)] Received signal 11
base::debug::StackTrace::StackTrace() [0x1f68261]
base::(anonymous namespace)::StackDumpSignalHandler() [0x1fa2853]
0x2ba8f9b0f100
__pthread_mutex_lock_internal [0x2ba8f6dce423]
LockImpl::Lock() [0x1f7a9f6]
Lock::Acquire() [0x58a947]
AutoLock::AutoLock() [0x58a979]
MessageLoop::PostTask_Helper() [0x1f7e2cc]
MessageLoop::PostDelayedTask() [0x1f7e40d]
WebResourceService::ScheduleNotification() [0x158db6f]
WebResourceService::UnpackPromoSignal() [0x158e1db]
WebResourceServiceTest_UnpackPromoSignal_Test::TestBody() [0xcbb723]
testing::HandleExceptionsInMethodIfSupported<>() [0x1b6ff6b]
testing::Test::Run() [0x1b72cb9]
testing::TestInfo::Run() [0x1b76548]
testing::TestCase::Run() [0x1b7669b]
testing::internal::UnitTestImpl::RunAllTests() [0x1b771f0]
testing::HandleExceptionsInMethodIfSupported<>() [0x1b6fd4f]
testing::UnitTest::Run() [0x1b6fdb7]
base::TestSuite::Run() [0x33ed0a8]
main [0x1a4f56d]
0x2ba8f9afb1c4
0x433829

Program received signal SIGSEGV, Segmentation fault.
__pthread_mutex_lock (mutex=0x170) at pthread_mutex_lock.c:50
50      pthread_mutex_lock.c: No such file or directory.
        in pthread_mutex_lock.c
(gdb) bt
#0  __pthread_mutex_lock (mutex=0x170) at pthread_mutex_lock.c:50
#1  0x00007ffff5ac327d in LockImpl::Lock (this=0x170) at base/lock_impl_posix.cc:41
#2  0x00007ffff5a85dee in Lock::Acquire (this=0x168) at ./base/lock.h:40
#3  0x00007ffff5a85e50 in AutoLock::AutoLock (this=0x7fffffffd450, lock=...) at ./base/lock.h:95
#4  0x00007ffff5ac7a16 in MessageLoop::PostTask_Helper (this=0x0, from_here=..., task=0x7fffe29a8e00, delay_ms=1974154931, nestable=true)
    at base/message_loop.cc:378
#5  0x00007ffff5ac7816 in MessageLoop::PostDelayedTask (this=0x0, from_here=..., task=0x7fffe29a8e00, delay_ms=1974154931) at base/message_loop.cc:318
#6  0x00007ffff77009e1 in WebResourceService::ScheduleNotification (this=0x7fffe41ed4e0, promo_start=1264899600, promo_end=1327971600)
    at chrome/browser/web_resource/web_resource_service.cc:285

Note how this is NULL in MessageLoop::PostDelayedTask.

Patch from Dominic Battré (battre@google.com)

BUG=65462
TEST=none
TBR=mirandac

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=68349

[Bernhard Bauer, 2010-12-06 12:55:07]

LGTM.