Don't re-focus Settings window when opening IME options

These five lines just cause the current browser window to be shown after
the tab with the IME options has already been focused and activated in
another window.

BUG=409270
R=stevenjb@chromium.org,shuchen@chromium.org

Review URL: https://codereview.chromium.org/599663003

Cr-Commit-Position: refs/heads/master@{#296537}

chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc

@@ -243,10 +243,6 @@ void CrosLanguageOptionsHandler::InputMethodOptionsOpenCallback(
       ui::PAGE_TRANSITION_LINK,
       false);
   browser->OpenURL(params);
-  browser->window()->Show();
-  content::WebContents* web_contents =
-      browser->tab_strip_model()->GetActiveWebContents();
-  web_contents->GetDelegate()->ActivateContents(web_contents);
 }
 
 void CrosLanguageOptionsHandler::AddImeProvider(base::ListValue* list) {