Cleaning up usage of lookup results.

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index dd9de23fa453a7c6c15fe35f04adec5d9a0c72f5..7fc813868541c1c2f9d182a38b62f7385aa9cec2 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -1303,7 +1303,7 @@ void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object,
   // later.
   bool compile_followup_inline = false;
   if (lookup->IsFound() && lookup->IsCacheable()) {
-    if (lookup->type() == FIELD) {
+    if (lookup->IsField()) {
       compile_followup_inline = true;
     } else if (lookup->type() == CALLBACKS &&
                lookup->GetCallbackObject()->IsAccessorInfo()) {
@@ -1377,7 +1377,7 @@ void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object,
                                    miss);
     }
 
-    if (lookup->type() == FIELD) {
+    if (lookup->IsField()) {
       // We found FIELD property in prototype chain of interceptor's holder.
       // Retrieve a field from field's holder.
       GenerateFastPropertyLoad(masm(), r0, holder_reg,