Cleaning up usage of lookup results.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index db88d59aa598fbf6c8186527c65eba10575318b6..584fd7aa62d53eadf87f5f5ee90faea57f7fb53c 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2323,7 +2323,7 @@ void LCodeGen::EmitLoadFieldOrConstantFunction(Register result,
   LookupResult lookup(isolate());
   type->LookupInDescriptors(NULL, *name, &lookup);
   ASSERT(lookup.IsFound() || lookup.IsCacheable());
-  if (lookup.IsFound() && lookup.type() == FIELD) {
+  if (lookup.IsField()) {
     int index = lookup.GetLocalFieldIndexFromMap(*type);
     int offset = index * kPointerSize;
     if (index < 0) {
@@ -2335,7 +2335,7 @@ void LCodeGen::EmitLoadFieldOrConstantFunction(Register result,
       __ lw(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
       __ lw(result, FieldMemOperand(result, offset + FixedArray::kHeaderSize));
     }
-  } else if (lookup.IsFound() && lookup.type() == CONSTANT_FUNCTION) {
+  } else if (lookup.IsConstantFunction()) {
     Handle<JSFunction> function(lookup.GetConstantFunctionFromMap(*type));
     __ LoadHeapObject(result, function);
   } else {