Updates state order of DiskBasedCertCache::WriteWorker.
Updates state order of DiskBasedCertCache::WriteWorker.

It makes more sense to try to open the entries first rather than create them, since they will usually only not exist the first time.

Review URL: https://codereview.chromium.org/465633003

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@289342 0039d316-1c4b-4281-b951-d872f2087c98

littlstar/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,littlstar/chromium.src,bright-sparks/chromium-spacewalk,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,bright-sparks/chromium-spacewalk,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src