VM initialization refactoring.

src/arm/cpu-arm.cc

Index: src/arm/cpu-arm.cc
diff --git a/src/arm/cpu-arm.cc b/src/arm/cpu-arm.cc
index 0f5bf56b54dd3b05b0338d2f31ddbfd7c40a1c3c..04162614db402e40c4e28b8d4b9383450826c8f1 100644
--- a/src/arm/cpu-arm.cc
+++ b/src/arm/cpu-arm.cc
@@ -42,11 +42,12 @@ namespace v8 {
 namespace internal {
 
 void CPU::Setup() {
-  CpuFeatures* cpu_features = Isolate::Current()->cpu_features();
-  cpu_features->Probe(true);
-  if (!cpu_features->IsSupported(VFP3) || Serializer::enabled()) {
-    V8::DisableCrankshaft();
-  }
+  CpuFeatures::Probe(true);
+}
+
+
+bool CPU::SupportsCrankshaft() {
+  return CpuFeatures::IsSupported(VFP3);
 }