Have the Debugger extension api check that it has access to the tab

Check PermissionsData::CanAccessTab() prior to attaching the debugger.

BUG=367567

Review URL: https://codereview.chromium.org/352523003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@280354 0039d316-1c4b-4281-b951-d872f2087c98
bool PermissionsData::HasAPIPermission(
    const std::string& permission_name) const {
  return active_permissions()->HasAPIPermission(permission_name);
}

bool PermissionsData::HasAPIPermission(
    const std::string& permission_name) const {
  return active_permissions()->HasAPIPermission(permission_name);
}
