Code:    StatisticsRecorderTest() : use_persistent_histogram_allocator_(GetParam()) {
    PersistentHistogramAllocator::GetCreateHistogramResultHistogram();
     InitializeStatisticsRecorder();

    if (use_persistent_histogram_allocator_) {
      GlobalHistogramAllocator::CreateWithLocalMemory(kAllocatorMemorySize, 0,
                                                      "StatisticsRecorderTest");
    }
  }

Commit Message: Remove UMA.CreatePersistentHistogram.Result

This histogram isn't showing anything meaningful and the problems it
could show are better observed by looking at the allocators directly.

Bug: 831013
Change-Id: Ibe968597758230192e53a7675e7390e968c9e5b9
Reviewed-on: https://chromium-review.googlesource.com/1008047
Commit-Queue: Brian White <bcwhite@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549986}
CWE ID: CWE-264
   StatisticsRecorderTest() : use_persistent_histogram_allocator_(GetParam()) {
     InitializeStatisticsRecorder();

    if (use_persistent_histogram_allocator_) {
      GlobalHistogramAllocator::CreateWithLocalMemory(kAllocatorMemorySize, 0,
                                                      "StatisticsRecorderTest");
    }
  }
