Make compiler more acceptive wrt Isolate::use_crankshaft.

src/runtime/runtime-test.cc

Index: src/runtime/runtime-test.cc
diff --git a/src/runtime/runtime-test.cc b/src/runtime/runtime-test.cc
index c5e3f15f32174a4789f46b3287ef03d1285ca3c9..8b402f9b2aba1f725ed3125dff85555bffc5cf03 100644
--- a/src/runtime/runtime-test.cc
+++ b/src/runtime/runtime-test.cc
@@ -89,8 +89,6 @@ RUNTIME_FUNCTION(Runtime_OptimizeFunctionOnNextCall) {
                  (function->code()->kind() == Code::FUNCTION &&
                   function->code()->optimizable()));
 
-  if (!isolate->use_crankshaft()) return isolate->heap()->undefined_value();
-
   // If the function is already optimized, just return.
   if (function->IsOptimized()) return isolate->heap()->undefined_value();
 
@@ -136,8 +134,6 @@ RUNTIME_FUNCTION(Runtime_OptimizeOsr) {
                  (function->code()->kind() == Code::FUNCTION &&
                   function->code()->optimizable()));
 
-  if (!isolate->use_crankshaft()) return isolate->heap()->undefined_value();
-
   // If the function is already optimized, just return.
   if (function->IsOptimized()) return isolate->heap()->undefined_value();