Revert "Skip the CallFunctionStub when the callee function can be statically determined."

src/compiler/arm/linkage-arm.cc

Index: src/compiler/arm/linkage-arm.cc
diff --git a/src/compiler/arm/linkage-arm.cc b/src/compiler/arm/linkage-arm.cc
index 2c644d680c33f030f416229fa84b6fd95e69dc25..9a65ccc10983f3c54d91597ef9ceff6137d84570 100644
--- a/src/compiler/arm/linkage-arm.cc
+++ b/src/compiler/arm/linkage-arm.cc
@@ -35,9 +35,8 @@ struct ArmLinkageHelperTraits {
 
 typedef LinkageHelper<ArmLinkageHelperTraits> LH;
 
-CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone,
-                                             CallDescriptor::Flags flags) {
-  return LH::GetJSCallDescriptor(zone, parameter_count, flags);
+CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
+  return LH::GetJSCallDescriptor(zone, parameter_count);
 }