Create and use shared stub for for DictionaryValue-based elements.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 1918858ebe57be5b77f5746ee4efb691a6651070..07281a7caf9166302b80cc7dc93a1fd035d094c4 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -433,6 +433,16 @@ class MacroAssembler: public Assembler {
                               Register scratch,
                               Label* miss);
 
+
+  void LoadFromNumberDictionary(Label* miss,
+                                Register elements,
+                                Register key,
+                                Register result,
+                                Register t0,
+                                Register t1,
+                                Register t2);
+
+
   inline void MarkCode(NopMarkerTypes type) {
     nop(type);
   }