Allow browser to handle all WebUI navigations.

BUG=113496
TEST="Google Dashboard" link in Sync settings loads in new process.


Review URL: http://codereview.chromium.org/9663045

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126949 0039d316-1c4b-4281-b951-d872f2087c98
bool RenderViewImpl::runModalPromptDialog(WebFrame* frame,
                                          const WebString& message,
                                          const WebString& default_value,
                                          WebString* actual_value) {
  string16 result;
  bool ok = RunJavaScriptMessage(ui::JAVASCRIPT_MESSAGE_TYPE_PROMPT,
                                 message,
                                 default_value,
                                 frame->document().url(),
                                 &result);
  if (ok)
    actual_value->assign(result);
  return ok;
}

bool RenderViewImpl::runModalPromptDialog(WebFrame* frame,
                                          const WebString& message,
                                          const WebString& default_value,
                                          WebString* actual_value) {
  string16 result;
  bool ok = RunJavaScriptMessage(ui::JAVASCRIPT_MESSAGE_TYPE_PROMPT,
                                 message,
                                 default_value,
                                 frame->document().url(),
                                 &result);
  if (ok)
    actual_value->assign(result);
  return ok;
}
