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::OnExtensionMessageInvoke(const std::string& function_name,
                                          const ListValue& args,
                                          bool requires_incognito_access,
                                          const GURL& event_url) {
  RendererExtensionBindings::Invoke(
      function_name, args, this, requires_incognito_access, event_url);
}

void RenderView::OnExtensionMessageInvoke(const std::string& function_name,
                                          const ListValue& args,
                                          bool requires_incognito_access,
                                          const GURL& event_url) {
  RendererExtensionBindings::Invoke(
      function_name, args, this, requires_incognito_access, event_url);
}
