[compiler-dispatcher] make it so that we can always parse on bg threads

src/compiler-dispatcher/compiler-dispatcher.cc

Index: src/compiler-dispatcher/compiler-dispatcher.cc
diff --git a/src/compiler-dispatcher/compiler-dispatcher.cc b/src/compiler-dispatcher/compiler-dispatcher.cc
index 2e7923bd928905dfaf8be560e8ff8d7557a12490..6549a5b908f8d533ffc7940827022b70207a6d70 100644
--- a/src/compiler-dispatcher/compiler-dispatcher.cc
+++ b/src/compiler-dispatcher/compiler-dispatcher.cc
@@ -68,10 +68,8 @@ bool IsFinished(CompilerDispatcherJob* job) {
 }
 
 bool CanRunOnAnyThread(CompilerDispatcherJob* job) {
-  return (job->status() == CompileJobStatus::kReadyToParse &&
-          job->can_parse_on_background_thread()) ||
-         (job->status() == CompileJobStatus::kReadyToCompile &&
-          job->can_compile_on_background_thread());
+  return (job->status() == CompileJobStatus::kReadyToParse) ||

[vogelheim, 2017/01/13 15:20:22]

style nitpick: parentheses aren't really needed. See IsFinished above.

[jochen (gone - plz use gerrit), 2017/01/13 16:14:40]

done

+         (job->status() == CompileJobStatus::kReadyToCompile);

[rmcilroy, 2017/01/13 15:56:22]

This now implicitly assumes the compiler dispatcher only compiles Ignition
bytecode. Could we DCHECK this when enabling the dispatcher?

[jochen (gone - plz use gerrit), 2017/01/13 16:14:40]

done

 }
 
 void DoNextStepOnBackgroundThread(CompilerDispatcherJob* job) {