Revert "VM: New calling convention for generated code."

runtime/vm/assembler.h

Index: runtime/vm/assembler.h
diff --git a/runtime/vm/assembler.h b/runtime/vm/assembler.h
index bd3ca5b57dba1ef06b31a132ad7aec3799dee3fa..3f4d5ea099383d89477d9b375355a8fc412a1859 100644
--- a/runtime/vm/assembler.h
+++ b/runtime/vm/assembler.h
@@ -287,14 +287,12 @@ enum Patchability {
 
 class ObjectPoolWrapper : public ValueObject {
  public:
-  intptr_t AddObject(const Object& obj,
-                     Patchability patchable = kNotPatchable);
+  intptr_t AddObject(const Object& obj);
   intptr_t AddImmediate(uword imm);
   intptr_t AddExternalLabel(const ExternalLabel* label,
                             Patchability patchable);
 
-  intptr_t FindObject(const Object& obj,
-                      Patchability patchable = kNotPatchable);
+  intptr_t FindObject(const Object& obj);
   intptr_t FindImmediate(uword imm);
   intptr_t FindExternalLabel(const ExternalLabel* label,
                              Patchability patchable);
@@ -314,12 +312,6 @@ class ObjectPoolWrapper : public ValueObject {
   DirectChainedHashMap<ObjIndexPair> object_pool_index_table_;
 };
 
-
-enum RestorePP {
-  kRestoreCallerPP,
-  kKeepCalleePP
-};
-
 }  // namespace dart