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::reportFindInPageMatchCount(int request_id, int count,
                                            bool final_update) {
  if (queued_find_reply_message_.get()) {
    IPC::Message* msg = new ViewHostMsg_Find_Reply(
        routing_id_,
        request_id,
        count,
        gfx::Rect(),
        -1,  // Don't update active match ordinal.
        final_update);
    queued_find_reply_message_.reset(msg);
  } else {
    Send(new ViewHostMsg_Find_Reply(
        routing_id_,
        request_id,
        count,
        gfx::Rect(),
        -1,  // Don't update active match ordinal.
        final_update));
  }
}

void RenderView::reportFindInPageMatchCount(int request_id, int count,
                                            bool final_update) {
  if (queued_find_reply_message_.get()) {
    IPC::Message* msg = new ViewHostMsg_Find_Reply(
        routing_id_,
        request_id,
        count,
        gfx::Rect(),
        -1,  // Don't update active match ordinal.
        final_update);
    queued_find_reply_message_.reset(msg);
  } else {
    Send(new ViewHostMsg_Find_Reply(
        routing_id_,
        request_id,
        count,
        gfx::Rect(),
        -1,  // Don't update active match ordinal.
        final_update));
  }
}
