Emacs doesn't have a menu or toolbar when opened in a X window

Opening emacs in a X window (i.e., without the -nw flag), launches an emacs window without a menu in the top bar or the toolbar. Check the screenshot for the illustration of the issue.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: emacs 23.3+1-1ubuntu9
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
Date: Sun Apr 8 01:46:44 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120319)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_IN:en
 TERM=xterm
 PATH=(custom, user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: emacs23
UpgradeStatus: No upgrade log present (probably fresh install)