Non-SFI mode: Use dummy PID for NaCl's IPC channel on Linux platform.

ipc/ipc_sync_channel_unittest.cc

Index: ipc/ipc_sync_channel_unittest.cc
diff --git a/ipc/ipc_sync_channel_unittest.cc b/ipc/ipc_sync_channel_unittest.cc
index f834ec3b5bb3da95067456d6c1cc1ba0ee17d739..bd40e76b08dc260706ac8a55b0cb1b4bc1b0212b 100644
--- a/ipc/ipc_sync_channel_unittest.cc
+++ b/ipc/ipc_sync_channel_unittest.cc
@@ -1722,7 +1722,6 @@ class VerifiedServer : public Worker {
     VLOG(1) << __FUNCTION__ << " Sending reply: " << reply_text_;
     SyncChannelNestedTestMsg_String::WriteReplyParams(reply_msg, reply_text_);
     Send(reply_msg);
-    ASSERT_EQ(channel()->GetPeerPID(), base::GetCurrentProcId());

[Mark Seaborn, 2014/12/08 21:40:36]

Should this check stay for non-Linux platforms?

Should it assert that GetPeerPID() returns a dummy value on Linux?

[hidehiko, 2014/12/09 08:08:20]

Done.

     Done();
   }
 
@@ -1751,7 +1750,6 @@ class VerifiedClient : public Worker {
     (void)expected_text_;
 
     VLOG(1) << __FUNCTION__ << " Received reply: " << response;
-    ASSERT_EQ(channel()->GetPeerPID(), base::GetCurrentProcId());

[Mark Seaborn, 2014/12/08 21:40:36]

Same for this one.

[hidehiko, 2014/12/09 08:08:20]

Done.

     Done();
   }