Consolidated all the key store/load classes in the Hydrogen and Lithium

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index 6670024dba6525e9352f8d837e24927eac35cf81..171ead73eb4e255bdc9db3c5c362c1adfb58a55e 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -340,6 +340,12 @@ class LCodeGen BASE_EMBEDDED {
                     int* offset);
 
   void EnsureSpaceForLazyDeopt();
+  void DoLoadKeyedExternal(LLoadKeyed* instr);
+  void DoLoadKeyedDouble(LLoadKeyed* instr);
+  void DoLoadKeyedFixed(LLoadKeyed* instr);
+  void DoStoreKeyedExternal(LStoreKeyed* instr);
+  void DoStoreKeyedDouble(LStoreKeyed* instr);
+  void DoStoreKeyedFixed(LStoreKeyed* instr);
 
   // Emits code for pushing either a tagged constant, a (non-double)
   // register, or a stack slot operand.