Unify monomorphic and polymorphic cases in IC::PatchCache.

src/ic.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 199 matching lines @@
                            Handle<Code> handler,
                            Handle<String> name);
 
   bool UpdatePolymorphicIC(Handle<HeapType> type,
                            Handle<String> name,
                            Handle<Code> code);
 
   virtual void UpdateMegamorphicCache(HeapType* type, Name* name, Code* code);
 
   void CopyICToMegamorphicCache(Handle<String> name);
-  bool IsTransitionOfMonomorphicTarget(Handle<HeapType> type);
+  bool IsTransitionOfMonomorphicTarget(Map* source_map, Map* target_map);
   void PatchCache(Handle<HeapType> type,
                   Handle<String> name,
                   Handle<Code> code);
   virtual Code::Kind kind() const {
     UNREACHABLE();
     return Code::STUB;
   }
   virtual Handle<Code> slow_stub() const {
     UNREACHABLE();
     return Handle<Code>::null();
@@ skipping 696 matching lines @@
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_MissWithAllocationSite);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss);
 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_