Let the browser handle external navigations from DevTools.

BUG=180555


Review URL: https://chromiumcodereview.appspot.com/12531004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@186793 0039d316-1c4b-4281-b951-d872f2087c98
void RenderViewImpl::Repaint(const gfx::Size& size) {
  OnRepaint(size);
}

void RenderViewImpl::Repaint(const gfx::Size& size) {
  OnRepaint(size);
}
