Revert "Load web contents after tab is created."

This reverts commit 4c55f398def3214369aefa9f2f2e8f5940d3799d.

BUG=432562
TBR=tedchoc@chromium.org,jbudorick@chromium.org,sky@chromium.org

Review URL: https://codereview.chromium.org/894003005

Cr-Commit-Position: refs/heads/master@{#314469}
void ChromeWebContentsDelegateAndroid::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  switch (type) {
    case chrome::NOTIFICATION_FIND_RESULT_AVAILABLE:
      OnFindResultAvailable(
          content::Source<WebContents>(source).ptr(),
          content::Details<FindNotificationDetails>(details).ptr());
      break;
    default:
      NOTREACHED() << "Unexpected notification: " << type;
      break;
  }
}

void ChromeWebContentsDelegateAndroid::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  switch (type) {
    case chrome::NOTIFICATION_FIND_RESULT_AVAILABLE:
      OnFindResultAvailable(
          content::Source<WebContents>(source).ptr(),
          content::Details<FindNotificationDetails>(details).ptr());
      break;
    default:
      NOTREACHED() << "Unexpected notification: " << type;
      break;
  }
}
