Make cacheinvalidation build on Win64

BUG=166496
BUG=167187
TBR=scottmg

Review URL: https://chromiumcodereview.appspot.com/11819049

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176055 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed