Reland "Optimize function across closures." (again).

src/runtime-profiler.cc

Index: src/runtime-profiler.cc
diff --git a/src/runtime-profiler.cc b/src/runtime-profiler.cc
index f786846b365ba1cc43ac04a4803dbeef8c803a92..7330262e234c2ee1ea65465a3ffb7f81618bb288 100644
--- a/src/runtime-profiler.cc
+++ b/src/runtime-profiler.cc
@@ -106,23 +106,8 @@ void RuntimeProfiler::Optimize(JSFunction* function, const char* reason) {
     PrintF("]\n");
   }
 
-
-  if (isolate_->concurrent_recompilation_enabled() &&
-      !isolate_->bootstrapper()->IsActive()) {
-    if (isolate_->concurrent_osr_enabled() &&
-        isolate_->optimizing_compiler_thread()->IsQueuedForOSR(function)) {
-      // Do not attempt regular recompilation if we already queued this for OSR.
-      // TODO(yangguo): This is necessary so that we don't install optimized
-      // code on a function that is already optimized, since OSR and regular
-      // recompilation race.  This goes away as soon as OSR becomes one-shot.
-      return;
-    }
-    DCHECK(!function->IsInOptimizationQueue());
-    function->MarkForConcurrentOptimization();
-  } else {
-    // The next call to the function will trigger optimization.
-    function->MarkForOptimization();
-  }
+  function->shared()->set_optimize_next_closure(true);
+  function->AttemptConcurrentOptimization();
 }