Address review comments from a previous CL.

vm/dart_api_message.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/dart_api_message.h"
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
 
 namespace dart {
@@ skipping 169 matching lines @@
   USE(tags);
   intptr_t class_id;
 
   // Reading of regular dart instances is not supported.
   if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) {
     return AllocateDartCObjectUnsupported();
   }
 
   ASSERT((class_header & kSmiTagMask) != 0);
   class_id = LookupInternalClass(class_header);
-  if (class_id == kArrayCid || class_id == kImmutableArrayCid) {
+  if ((class_id == kArrayCid) || (class_id == kImmutableArrayCid)) {
     intptr_t len = ReadSmiValue();
     Dart_CObject* value = GetBackRef(object_id);
     if (value == NULL) {
       value = AllocateDartCObjectArray(len);
       AddBackRef(object_id, value, kIsDeserialized);
     }
     // Skip type arguments.
     // TODO(sjesse): Remove this when message serialization format is
     // updated (currently type_arguments is leaked).
     Dart_CObject* type_arguments = ReadObjectImpl();
@@ skipping 52 matching lines @@
   // Read the class header information and lookup the class.
   intptr_t class_header = ReadIntptrValue();
 
   // Reading of regular dart instances is not supported.
   if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) {
     return AllocateDartCObjectUnsupported();
   }
   ASSERT((class_header & kSmiTagMask) != 0);
   intptr_t object_id = SerializedHeaderData::decode(value);
   intptr_t class_id = LookupInternalClass(class_header);
-  if (class_id == kArrayCid || class_id == kImmutableArrayCid) {
+  if ((class_id == kArrayCid) || (class_id == kImmutableArrayCid)) {
     ASSERT(GetBackRef(object_id) == NULL);
     intptr_t len = ReadSmiValue();
     Dart_CObject* value = AllocateDartCObjectArray(len);
     AddBackRef(object_id, value, kIsNotDeserialized);
     return value;
   }
   intptr_t tags = ReadIntptrValue();
   USE(tags);
 
   return ReadInternalVMObject(class_id, object_id);
@@ skipping 505 matching lines @@
   // not been serialized yet. These would typically be fields of arrays.
   // NOTE: The forward list might grow as we process the list.
   for (intptr_t i = 0; i < forward_id_; i++) {
     WriteForwardedCObject(forward_list_[i]);
   }
   UnmarkAllCObjects(object);
   FinalizeBuffer();
 }
 
 }  // namespace dart