message: Makes CreateAllocationValuesFromColocatedIntervals() virtual so that it can be overridden.
diff: @@ -982,7 +982,7 @@ class AlternateMemoryBestFitHeap
  // Given colocated intervals, populates allocation_values with the
  // corresponding AllocationValue objects.
  - void CreateAllocationValuesFromColocatedIntervals(
  + virtual void CreateAllocationValuesFromColocatedIntervals(
  absl::Span<const AlternateMemoryBestFitHeap::BufferInterval* const>
  colocated_intervals,
  std::vector<MemorySpaceAssignment::AllocationValue>& allocation_values);
  