Remove special case code for generalizing constants to fields.

R=bmeurer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22911018

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix hidden properties on object with frozen prototype.

This fixes a corner-case where a frozen prototype with existing hidden
properties might prevent setting hidden properties on another object.

R=rossberg@chromium.org
BUG=v8:2829

Review URL: https://codereview.chromium.org/22799021

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16276 ce2b1a6d-e550-0410-aec6-3dcde31c8c00