Change notification cmd line enabling to use the new RuntimeEnabledFeatures code.

BUG=25318
TEST=none

Review URL: http://codereview.chromium.org/339093

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30660 0039d316-1c4b-4281-b951-d872f2087c98
void RenderThread::OnUpdateUserScripts(
    base::SharedMemoryHandle scripts) {
  DCHECK(base::SharedMemory::IsHandleValid(scripts)) << "Bad scripts handle";
  user_script_slave_->UpdateScripts(scripts);
}

void RenderThread::OnUpdateUserScripts(
    base::SharedMemoryHandle scripts) {
  DCHECK(base::SharedMemory::IsHandleValid(scripts)) << "Bad scripts handle";
  user_script_slave_->UpdateScripts(scripts);
}
