Delete apparently unused geolocation declarations and include.

BUG=336263

Review URL: https://codereview.chromium.org/139743014

git-svn-id: svn://svn.chromium.org/blink/trunk@165601 bbb929c8-8fbe-4397-9dbb-9b2b20218538
void ChromeClientImpl::formStateDidChange(const Node* node)
{
    WebFrameImpl* webframe = WebFrameImpl::fromFrame(node->document().frame());
    if (webframe->client())
        webframe->client()->didUpdateCurrentHistoryItem(webframe);
}

void ChromeClientImpl::formStateDidChange(const Node* node)
{
    WebFrameImpl* webframe = WebFrameImpl::fromFrame(node->document().frame());
    if (webframe->client())
        webframe->client()->didUpdateCurrentHistoryItem(webframe);
}
