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::OnAutoFillSuggestionsReturned(
    int query_id,
    const std::vector<string16>& values,
    const std::vector<string16>& labels,
    const std::vector<string16>& icons,
    const std::vector<int>& unique_ids) {
  autofill_helper_.SuggestionsReceived(
      query_id, values, labels, icons, unique_ids);
}

void RenderView::OnAutoFillSuggestionsReturned(
    int query_id,
    const std::vector<string16>& values,
    const std::vector<string16>& labels,
    const std::vector<string16>& icons,
    const std::vector<int>& unique_ids) {
  autofill_helper_.SuggestionsReceived(
      query_id, values, labels, icons, unique_ids);
}
