Sizes going across an IPC should be uint32.

BUG=164946

Review URL: https://chromiumcodereview.appspot.com/11472038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171944 0039d316-1c4b-4281-b951-d872f2087c98
void GpuCommandBufferStub::PutChanged() {
  FastSetActiveURL(active_url_, active_url_hash_);
  scheduler_->PutChanged();
}

void GpuCommandBufferStub::PutChanged() {
  FastSetActiveURL(active_url_, active_url_hash_);
  scheduler_->PutChanged();
}
