MIPS: Remove keyed_store_calling convention and friends.

src/mips/stub-cache-mips.cc

Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index d8891b57d665e0c790a491fe986facb88f4ebc37..e2ab36d4859b23fe28d67a50061cae8acbec63e1 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -1156,21 +1156,12 @@ Register* PropertyAccessCompiler::store_calling_convention() {
   // receiver, name, scratch1, scratch2, scratch3.
   Register receiver = StoreIC::ReceiverRegister();
   Register name = StoreIC::NameRegister();
+  ASSERT(a3.is(KeyedStoreIC::MapRegister()));
   static Register registers[] = { receiver, name, a3, t0, t1 };
   return registers;
 }
 
 
-Register* PropertyAccessCompiler::keyed_store_calling_convention() {
-  // receiver, name, scratch1/map, scratch2, scratch3.
-  Register receiver = KeyedStoreIC::ReceiverRegister();
-  Register name = KeyedStoreIC::NameRegister();
-  Register map = KeyedStoreIC::MapRegister();
-  static Register registers[] = { receiver, name, map, t0, t1 };
-  return registers;
-}
-
-
 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); }