Revert "IDBAny need not be scriptwrappable." (r154350)

Causing asserts in indexdb layout tests on Linux (dbg), e.g. http/tests/inspector/indexeddb/database-data.html:

STDERR: SHOULD NEVER BE REACHED
STDERR: gen/webkit/bindings/V8IDBAny.cpp(40) : void WebCore::initializeScriptWrappableForInterface(WebCore::IDBAny*)

BUG=260757
TBR=jsbell,gavinp

Review URL: https://codereview.chromium.org/19577005

git-svn-id: svn://svn.chromium.org/blink/trunk@154407 bbb929c8-8fbe-4397-9dbb-9b2b20218538