appease valgrind when calculating cached values in constructor BUG=http://code.google.com/p/nativeclient/issues/detail?id=1906 TEST=this is the test Review URL: http://codereview.chromium.org/7003101
appease valgrind when calculating cached values in constructor
BUG=http://code.google.com/p/nativeclient/issues/detail?id=1906
TEST=this is the test
Review URL: http://codereview.chromium.org/7003101

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@5615 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client