AutoFill: Release the cached frame when we receive the frameDestroyed() message
from WebKit.

BUG=48857
TEST=none

Review URL: http://codereview.chromium.org/3173005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@55789 0039d316-1c4b-4281-b951-d872f2087c98
void RenderView::didAcceptAutocompleteSuggestion(
    const WebKit::WebInputElement& user_element) {
#if defined(WEBKIT_BUG_41283_IS_FIXED)
  bool result = password_autocomplete_manager_.FillPassword(user_element);
  DCHECK(result);
#endif
}

void RenderView::didAcceptAutocompleteSuggestion(
    const WebKit::WebInputElement& user_element) {
#if defined(WEBKIT_BUG_41283_IS_FIXED)
  bool result = password_autocomplete_manager_.FillPassword(user_element);
  DCHECK(result);
#endif
}
