GTK: Fix a couple minor popup window icon menu bugs.

BUG=26265,26268

Review URL: http://codereview.chromium.org/360023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31009 0039d316-1c4b-4281-b951-d872f2087c98
GdkPixbuf* GetOTRAvatar() {
  static GdkPixbuf* otr_avatar = NULL;
  if (!otr_avatar) {
    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
    otr_avatar = rb.GetRTLEnabledPixbufNamed(IDR_OTR_ICON);
  }
  return otr_avatar;
}

GdkPixbuf* GetOTRAvatar() {
  static GdkPixbuf* otr_avatar = NULL;
  if (!otr_avatar) {
    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
    otr_avatar = rb.GetRTLEnabledPixbufNamed(IDR_OTR_ICON);
  }
  return otr_avatar;
}
