Fix gcc warning

BUG=51146
TEST=none


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@55500 0039d316-1c4b-4281-b951-d872f2087c98
void SearchProviderTest::RunTillProviderDone() {
  if (provider_->done())
    return;

  quit_when_done_ = true;
#if defined(OS_MACOSX)
  message_loop_.Run();
#else
  message_loop_.Run(NULL);
#endif
}

void SearchProviderTest::RunTillProviderDone() {
  if (provider_->done())
    return;

  quit_when_done_ = true;
#if defined(OS_MACOSX)
  message_loop_.Run();
#else
  message_loop_.Run(NULL);
#endif
}
