Revert "Changing string length field type from int to SMI."

This reverts svn commit 4556 from trunk.

Review URL: http://codereview.chromium.org/1857001

git-svn-id: http://v8.googlecode.com/svn/trunk@4563 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/test/cctest/test-serialize.cc b/test/cctest/test-serialize.cc
index c4c8a45..54e69a1 100644
--- a/test/cctest/test-serialize.cc
+++ b/test/cctest/test-serialize.cc
@@ -573,8 +573,7 @@
         FixedArray::kHeaderSize + kSmallFixedArrayLength * kPointerSize;
     const int kSmallStringLength = 16;
     const int kSmallStringSize =
-        (SeqAsciiString::kHeaderSize + kSmallStringLength +
-        kObjectAlignmentMask) & ~kObjectAlignmentMask;
+        SeqAsciiString::kHeaderSize + kSmallStringLength;
     const int kMapSize = Map::kSize;
 
     Object* new_last = NULL;