Share field trial allocator on zygote-using Linuxes

components/variations/child_process_field_trial_syncer_unittest.cc

Index: components/variations/child_process_field_trial_syncer_unittest.cc
diff --git a/components/variations/child_process_field_trial_syncer_unittest.cc b/components/variations/child_process_field_trial_syncer_unittest.cc
index 3e63c2f7eaed2be3762a6ecce56af092865ffc55..9db81082f165d213e849e0b1bc72db5cf82c9afb 100644
--- a/components/variations/child_process_field_trial_syncer_unittest.cc
+++ b/components/variations/child_process_field_trial_syncer_unittest.cc
@@ -55,7 +55,7 @@ TEST(ChildProcessFieldTrialSyncerTest, FieldTrialState) {
   base::MessageLoop message_loop;
   base::FieldTrialList field_trial_list(nullptr);
   base::FieldTrialList::CreateTrialsFromCommandLine(
-      *base::CommandLine::ForCurrentProcess(), "field_trial_handle_switch");
+      *base::CommandLine::ForCurrentProcess(), "field_trial_handle_switch", -1);

[Alexei Svitkine (slow), 2016/11/28 16:56:13]

You don't document anywhere why it's OK to pass a -1 for the last param.

[lawrencewu, 2016/11/29 14:38:07]

Changed things around so we don't need to pass in the last param anymore.

 
   base::FieldTrial* trial1 = base::FieldTrialList::CreateFieldTrial("A", "G1");
   base::FieldTrial* trial2 = base::FieldTrialList::CreateFieldTrial("B", "G2");