Revert r271097 - "Add most of the metadata-handling code for blobs."

This change caused most of the indexeddb tests to fail on win7 :(.

TBR=ericu@chromium.org
BUG=108012

Review URL: https://codereview.chromium.org/287093004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271146 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed