Revert "Unify calling to GenerateFastApiCallBody before stubbing it"

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index f544ec411bf0f0e1d2df415bf13460e8b8153f54..737b069599367a73eb6305ea5657e1d4307cd304 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -483,6 +483,20 @@ class StubCompiler BASE_EMBEDDED {
                            Register scratch2,
                            Handle<Name> name,
                            Label* miss,
+                           PrototypeCheckType check = CHECK_ALL_MAPS) {
+    return CheckPrototypes(type, object_reg, holder, holder_reg, scratch1,
+                           scratch2, name, kInvalidProtoDepth, miss, check);
+  }
+
+  Register CheckPrototypes(Handle<HeapType> type,
+                           Register object_reg,
+                           Handle<JSObject> holder,
+                           Register holder_reg,
+                           Register scratch1,
+                           Register scratch2,
+                           Handle<Name> name,
+                           int save_at_depth,
+                           Label* miss,
                            PrototypeCheckType check = CHECK_ALL_MAPS);
 
   void GenerateBooleanCheck(Register object, Label* miss);
@@ -1014,19 +1028,10 @@ class CallOptimization BASE_EMBEDDED {
     return api_call_info_;
   }
 
-  enum HolderLookup {
-    kHolderNotFound,
-    kHolderIsReceiver,
-    kHolderIsPrototypeOfMap
-  };
-  // Returns a map whose prototype has the expected type in the
-  // prototype chain between the two arguments
-  // null will be returned if the first argument has that property
-  // lookup will be set accordingly
-  Handle<Map> LookupHolderOfExpectedType(Handle<JSObject> receiver,
-                                         Handle<JSObject> object,
-                                         Handle<JSObject> holder,
-                                         HolderLookup* holder_lookup) const;
+  // Returns the depth of the object having the expected type in the
+  // prototype chain between the two arguments.
+  int GetPrototypeDepthOfExpectedType(Handle<JSObject> object,
+                                      Handle<JSObject> holder) const;
 
   bool IsCompatibleReceiver(Object* receiver) {
     ASSERT(is_simple_api_call());