Rewrite StoreIC handling using the LookupIterator. Continued from patch 494153002

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 055bfdbe021191eb4e0cfeef8d049eba2fc163e8..53b95d21803beca95c31a3721bb89f7d689503b6 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1997,10 +1997,6 @@ class JSReceiver: public HeapObject {
   inline static Handle<Smi> GetOrCreateIdentityHash(
       Handle<JSReceiver> object);
 
-  // Lookup a property.  If found, the result is valid and has
-  // detailed information.
-  void Lookup(Handle<Name> name, LookupResult* result);
-
   enum KeyCollectionType { OWN_ONLY, INCLUDE_PROTOS };
 
   // Computes the enumerable keys for a JSObject. Used for implementing
@@ -2010,7 +2006,6 @@ class JSReceiver: public HeapObject {
       KeyCollectionType type);
 
  private:
-  void LookupOwn(Handle<Name> name, LookupResult* result);
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSReceiver);
 };
 
@@ -2368,9 +2363,6 @@ class JSObject: public JSReceiver {
   inline void SetInternalField(int index, Object* value);
   inline void SetInternalField(int index, Smi* value);
 
-  // The following lookup functions skip interceptors.
-  void LookupOwnRealNamedProperty(Handle<Name> name, LookupResult* result);
-
   // Returns the number of properties on this object filtering out properties
   // with the specified attributes (ignoring interceptors).
   int NumberOfOwnProperties(PropertyAttributes filter = NONE);