Cleanup interface descriptors to reflect that vectors are part of stores.

src/ic/ppc/stub-cache-ppc.cc

Index: src/ic/ppc/stub-cache-ppc.cc
diff --git a/src/ic/ppc/stub-cache-ppc.cc b/src/ic/ppc/stub-cache-ppc.cc
index 1cfc29fef8dc4059a3f07ed13da09491f3987992..399ce09395c17a27b210da0b4a6653c082c25412 100644
--- a/src/ic/ppc/stub-cache-ppc.cc
+++ b/src/ic/ppc/stub-cache-ppc.cc
@@ -133,8 +133,8 @@ void StubCache::GenerateProbe(MacroAssembler* masm, Register receiver,
   if (IC::ICUseVector(ic_kind_)) {
     Register vector, slot;
     if (ic_kind_ == Code::STORE_IC || ic_kind_ == Code::KEYED_STORE_IC) {
-      vector = VectorStoreICDescriptor::VectorRegister();
-      slot = VectorStoreICDescriptor::SlotRegister();
+      vector = StoreWithVectorDescriptor::VectorRegister();
+      slot = StoreWithVectorDescriptor::SlotRegister();
     } else {
       DCHECK(ic_kind_ == Code::LOAD_IC || ic_kind_ == Code::KEYED_LOAD_IC);
       vector = LoadWithVectorDescriptor::VectorRegister();