chromeos: fix bug where "aw snap" page replaces first tab if it was a NTP when closing window with > 1 tab.

BUG=chromium-os:12088
TEST=verify bug per bug report.
Review URL: http://codereview.chromium.org/6882058

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83031 0039d316-1c4b-4281-b951-d872f2087c98
void Browser::UpdateCommandsForDevTools() {
  bool dev_tools_enabled = !dev_tools_disabled_.GetValue();
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS,
                                        dev_tools_enabled);
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_CONSOLE,
                                        dev_tools_enabled);
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_INSPECT,
                                        dev_tools_enabled);
}

void Browser::UpdateCommandsForDevTools() {
  bool dev_tools_enabled = !dev_tools_disabled_.GetValue();
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS,
                                        dev_tools_enabled);
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_CONSOLE,
                                        dev_tools_enabled);
  command_updater_.UpdateCommandEnabled(IDC_DEV_TOOLS_INSPECT,
                                        dev_tools_enabled);
}
