@Override
  public void removePartitionedRegion(PartitionedRegion region) {
    synchronized (partitionedRegions) {
      if (partitionedRegions.remove(region)) {
        getCachePerfStats().incPartitionedRegions(-1);
      }
    }
  }
For use by unit tests to inject a mocked ccpTimer
geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java