Revert of Added a debug info UI for Blimp

blimp/net/blimp_connection_statistics.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "blimp/net/blimp_connection_statistics.h"
-
-namespace blimp {
-
-BlimpConnectionStatistics::BlimpConnectionStatistics()
-    : histogram_(
-          base::SparseHistogram::FactoryGet("BlimpSparseHistogram",
-                                            base::HistogramBase::kNoFlags)) {}
-
-BlimpConnectionStatistics::~BlimpConnectionStatistics() {}
-
-void BlimpConnectionStatistics::Add(EventType type, int data) {
-  histogram_->AddCount(type, data);
-}
-
-int BlimpConnectionStatistics::Get(EventType type) {
-  std::unique_ptr<base::HistogramSamples> snapshot =
-      histogram_->SnapshotSamples();
-  return snapshot->GetCount(type);
-}
-
-}  // namespace blimp