Extract platform independent part of RevertStackCheckCode.

src/x64/deoptimizer-x64.cc

Index: src/x64/deoptimizer-x64.cc
diff --git a/src/x64/deoptimizer-x64.cc b/src/x64/deoptimizer-x64.cc
index 1f7c1ef60627a7cf064a671ba006340cd05d48eb..708be862ac3732d87a9231d657e1617bf7b720d8 100644
--- a/src/x64/deoptimizer-x64.cc
+++ b/src/x64/deoptimizer-x64.cc
@@ -107,16 +107,16 @@ void Deoptimizer::DeoptimizeFunction(JSFunction* function) {
 }
 
 
-void Deoptimizer::PatchStackCheckAt(Address pc_after,
-                                    Code* check_code,
-                                    Code* replacement_code) {
+void Deoptimizer::PatchStackCheckCodeAt(Address pc_after,
+                                        Code* check_code,
+                                        Code* replacement_code) {
   UNIMPLEMENTED();
 }
 
 
-void Deoptimizer::RevertStackCheckCode(Code* unoptimized_code,
-                                       Code* check_code,
-                                       Code* replacement_code) {
+void Deoptimizer::RevertStackCheckCodeAt(Address pc_after,
+                                         Code* check_code,
+                                         Code* replacement_code) {
   UNIMPLEMENTED();
 }