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::CloseContents(
    WebContents* web_contents) {
  if (notification_registrar_.IsRegistered(this,
      chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
      content::Source<WebContents>(web_contents))) {
    notification_registrar_.Remove(this,
        chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
        content::Source<WebContents>(web_contents));
  }

  WebContentsDelegateAndroid::CloseContents(web_contents);
}

void ChromeWebContentsDelegateAndroid::CloseContents(
    WebContents* web_contents) {
  if (notification_registrar_.IsRegistered(this,
      chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
      content::Source<WebContents>(web_contents))) {
    notification_registrar_.Remove(this,
        chrome::NOTIFICATION_FIND_RESULT_AVAILABLE,
        content::Source<WebContents>(web_contents));
  }

  WebContentsDelegateAndroid::CloseContents(web_contents);
}
