Check for appropriate bindings in process-per-site mode.

BUG=174059
TEST=See bug for repro steps.


Review URL: https://chromiumcodereview.appspot.com/12188025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@181386 0039d316-1c4b-4281-b951-d872f2087c98
  SiteInstanceTest()
      : ui_thread_(BrowserThread::UI, &message_loop_),
        file_user_blocking_thread_(BrowserThread::FILE_USER_BLOCKING,
                                   &message_loop_),
        io_thread_(BrowserThread::IO, &message_loop_),
        old_browser_client_(NULL) {
  }

  SiteInstanceTest()
      : ui_thread_(BrowserThread::UI, &message_loop_),
        file_user_blocking_thread_(BrowserThread::FILE_USER_BLOCKING,
                                   &message_loop_),
        io_thread_(BrowserThread::IO, &message_loop_),
        old_browser_client_(NULL) {
  }
