In chromedriver, add /log url to get the contents of the chromedriver log
remotely. Also add a 'chrome.verbose' boolean startup option.
Remove usage of VLOG(1) in chromedriver. We do not need as complicated
logging as in Chrome.
BUG=85241
TEST=none

Review URL: http://codereview.chromium.org/7104085

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@88591 0039d316-1c4b-4281-b951-d872f2087c98
 bool SetMongooseOptions(struct mg_context* ctx,
                        const std::string& port,
                        const std::string& root) {
  if (!mg_set_option(ctx, "ports", port.c_str())) {
    std::cout << "ChromeDriver cannot bind to port ("
              << port.c_str() << ")" << std::endl;
    return false;
  }
  if (root.length())
    mg_set_option(ctx, "root", root.c_str());
  mg_set_option(ctx, "idle_time", "1");
  return true;
}

 bool SetMongooseOptions(struct mg_context* ctx,
                        const std::string& port,
                        const std::string& root) {
  if (!mg_set_option(ctx, "ports", port.c_str())) {
    std::cout << "ChromeDriver cannot bind to port ("
              << port.c_str() << ")" << std::endl;
    return false;
  }
  if (root.length())
    mg_set_option(ctx, "root", root.c_str());
  mg_set_option(ctx, "idle_time", "1");
  return true;
}
