CodeStubs contain their corresponding Isolate* now. (part 2)

src/arm64/lithium-arm64.cc

Index: src/arm64/lithium-arm64.cc
diff --git a/src/arm64/lithium-arm64.cc b/src/arm64/lithium-arm64.cc
index 812fe12e58aa67a69d0e23a48712404d350f99d4..61bfdf4b94726440cd979f37cbcdf50060d1edcf 100644
--- a/src/arm64/lithium-arm64.cc
+++ b/src/arm64/lithium-arm64.cc
@@ -1963,7 +1963,7 @@ LInstruction* LChunkBuilder::DoParameter(HParameter* instr) {
   } else {
     ASSERT(info()->IsStub());
     CodeStubInterfaceDescriptor* descriptor =
-        info()->code_stub()->GetInterfaceDescriptor(info()->isolate());
+        info()->code_stub()->GetInterfaceDescriptor();
     int index = static_cast<int>(instr->index());
     Register reg = descriptor->GetParameterRegister(index);
     return DefineFixed(result, reg);