mp.SIZE_NUMERIC_NAME = 'size';
  MemoryAllocatorDump.EFFECTIVE_SIZE_NUMERIC_NAME = 'effective_size';
  MemoryAllocatorDump.RESIDENT_SIZE_NUMERIC_NAME = 'resident_size';
  MemoryAllocatorDump.DISPLAYED_SIZE_NUMERIC_NAME =
      MemoryAllocatorDump.EFFECTIVE_SIZE_NUMERIC_NAME;

  MemoryAllocatorDump.prototype = {
    get name() {
      return this.fullName.substring(this.fullName.lastIndexOf('/') + 1);
    },

    get quantifiedName() {
      return '\'' + this.fullName + '\' in ' +
          this.containerMe