ToT.

When run ash_perftests in linux Release build cannot GetStringPiece.
The tests can be run in Debug build.

Loos like the data_source_[1] is null.
[1] https://cs.chromium.org/chromium/src/ui/base/resource/data_pack.cc?l=275&rcl=1667a8fb7c2697a4e394338d029f0a311c85a00d


[44122:44122:0719/102849.275307:693451344788:ERROR:data_pack.cc(265)]  resource_id 26905
[44122:44122:0719/102849.275400:693451344834:ERROR:data_pack.cc(266)]  data 0x7ffcd0670d80 data_source_ 0
#0 0x0000005ad73c base::debug::StackTrace::StackTrace()
#1 0x000000c6c139 ui::DataPack::GetStringPiece()
#2 0x000000590367 ui::ResourceBundle::GetLocalizedString()
#3 0x00000058f42d ui::ResourceBundle::InitDefaultFontList()
#4 0x000000417229 ash::test::AshTestSuite::Initialize()
#5 0x00000054ccd4 base::TestSuite::Run()
#6 0x000000417003 (anonymous namespace)::RunHelper()
#7 0x00000054e50e base::LaunchUnitTestsSerially()
#8 0x000000416f80 main
#9 0x7fef541e2f45 __libc_start_main
#10 0x000000415f9a <unknown>
Received signal 11 SEGV_MAPERR 000000000000
#0 0x0000005ad73c base::debug::StackTrace::StackTrace()
#1 0x0000005ad2b1 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7fef576a1330 <unknown>
#3 0x000000c6c145 ui::DataPack::GetStringPiece()
#4 0x000000590367 ui::ResourceBundle::GetLocalizedString()
#5 0x00000058f42d ui::ResourceBundle::InitDefaultFontList()
#6 0x000000417229 ash::test::AshTestSuite::Initialize()
#7 0x00000054ccd4 base::TestSuite::Run()
#8 0x000000417003 (anonymous namespace)::RunHelper()
#9 0x00000054e50e base::LaunchUnitTestsSerially()
#10 0x000000416f80 main
#11 0x7fef541e2f45 __libc_start_main
#12 0x000000415f9a <unknown>
  r8: 0000000000000000  r9: 00007ffcd0670598 r10: 000000000000000c r11: 0000000000000246
 r12: 00007ffcd0670b48 r13: 00000d10d55c3068 r14: 0000000000006919 r15: 00000d10d55c3060
  di: 0000000000000000  si: 00000000013e6fdd  bp: 00007ffcd0670d70  bx: 00007ffcd0670b48
  dx: 0000000000000001  ax: 0000000000000001  cx: 00007fef576a0330  sp: 00007ffcd0670b40
  ip: 0000000000c6c145 efl: 0000000000010206 cgf: 0000000000000033 erf: 0000000000000004
 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]