[Metrics] Merge MetricsService and MetricsServiceBase classes.

chrome/common/metrics/metrics_service_base.cc

-// Copyright (c) 2012 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 "chrome/common/metrics/metrics_service_base.h"
-
-#include <cstdlib>
-
-#include "components/metrics/metrics_log_base.h"
-
-using base::Histogram;
-
-MetricsServiceBase::MetricsServiceBase(PrefService* local_state,
-                                       size_t max_ongoing_log_size)
-    : log_manager_(local_state, max_ongoing_log_size),
-      histogram_snapshot_manager_(this) {
-}
-
-MetricsServiceBase::~MetricsServiceBase() {
-}
-
-// static
-const char MetricsServiceBase::kServerUrl[] =
-    "https://clients4.google.com/uma/v2";
-
-// static
-const char MetricsServiceBase::kMimeType[] = "application/vnd.chrome.uma";
-
-void MetricsServiceBase::RecordCurrentHistograms() {
-  DCHECK(log_manager_.current_log());
-  histogram_snapshot_manager_.PrepareDeltas(
-      base::Histogram::kNoFlags, base::Histogram::kUmaTargetedHistogramFlag);
-}
-
-void MetricsServiceBase::RecordCurrentStabilityHistograms() {
-  DCHECK(log_manager_.current_log());
-  histogram_snapshot_manager_.PrepareDeltas(
-      base::Histogram::kNoFlags, base::Histogram::kUmaStabilityHistogramFlag);
-}
-
-void MetricsServiceBase::RecordDelta(
-    const base::HistogramBase& histogram,
-    const base::HistogramSamples& snapshot) {
-  log_manager_.current_log()->RecordHistogramDelta(histogram.histogram_name(),
-                                                   snapshot);
-}
-
-void MetricsServiceBase::InconsistencyDetected(
-    base::HistogramBase::Inconsistency problem) {
-  UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowser",
-                            problem, base::HistogramBase::NEVER_EXCEEDED_VALUE);
-}
-
-void MetricsServiceBase::UniqueInconsistencyDetected(
-    base::HistogramBase::Inconsistency problem) {
-  UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowserUnique",
-                            problem, base::HistogramBase::NEVER_EXCEEDED_VALUE);
-}
-
-void MetricsServiceBase::InconsistencyDetectedInLoggedCount(int amount) {
-  UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotBrowser",
-                       std::abs(amount));
-}