Make concrete classes for individual call descriptors.

src/ic/arm/ic-compiler-arm.cc

Index: src/ic/arm/ic-compiler-arm.cc
diff --git a/src/ic/arm/ic-compiler-arm.cc b/src/ic/arm/ic-compiler-arm.cc
index 0249311621fdbdce6cc8544c09575afda7203035..c9ce6e3b18fc01645ab52f5bef3ab8dfbd55dcfd 100644
--- a/src/ic/arm/ic-compiler-arm.cc
+++ b/src/ic/arm/ic-compiler-arm.cc
@@ -16,8 +16,8 @@ namespace internal {
 
 void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm,
                                                     StrictMode strict_mode) {
-  __ Push(StoreConvention::ReceiverRegister(), StoreConvention::NameRegister(),
-          StoreConvention::ValueRegister());
+  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
+          StoreDescriptor::ValueRegister());
 
   __ mov(r0, Operand(Smi::FromInt(strict_mode)));
   __ Push(r0);
@@ -57,7 +57,7 @@ Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
   // Polymorphic keyed stores may use the map register
   Register map_reg = scratch1();
   DCHECK(kind() != Code::KEYED_STORE_IC ||
-         map_reg.is(StoreConvention::MapRegister()));
+         map_reg.is(ElementTransitionAndStoreDescriptor::MapRegister()));
 
   int receiver_count = types->length();
   int number_of_handled_maps = 0;