Use the same registers for StoreIC and KeyedStoreIC.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 5e0e69e8a9a463e0af021387c9a5ce1045cf1af0..77eaf22370f5ce31a62d20fd766985201b7d5943 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -221,14 +221,6 @@ void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
 }
 
 
-void ElementsTransitionAndStoreStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  Register registers[] = { r0, r3, r1, r2 };
-  descriptor->Initialize(ARRAY_SIZE(registers), registers,
-                         FUNCTION_ADDR(ElementsTransitionAndStoreIC_Miss));
-}
-
-
 void BinaryOpICStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   Register registers[] = { r1, r0 };