Move ParseObjectLiteral to ParserBase.

BUG=v8:3126
LOG=N
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/192993002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19805 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
A64: Debug code should assert on unexpected situation.

R=jochen@chromium.org
BUG=

Review URL: https://codereview.chromium.org/184533002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19806 ce2b1a6d-e550-0410-aec6-3dcde31c8c00