Revert of components/metrics: Add runtime memory leak detector

components/metrics/leak_detector/leak_detector_value_type.cc

Index: components/metrics/leak_detector/leak_detector_value_type.cc
diff --git a/components/metrics/leak_detector/leak_detector_value_type.cc b/components/metrics/leak_detector/leak_detector_value_type.cc
deleted file mode 100644
index 4642f5150f840587ffecff539ba21a0444c17c11..0000000000000000000000000000000000000000
--- a/components/metrics/leak_detector/leak_detector_value_type.cc
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2015 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 "components/metrics/leak_detector/leak_detector_value_type.h"
-
-#include <stdio.h>
-
-namespace metrics {
-namespace leak_detector {
-
-bool LeakDetectorValueType::operator==(
-    const LeakDetectorValueType& other) const {
-  if (type_ != other.type_)
-    return false;
-
-  switch (type_) {
-    case TYPE_SIZE:
-      return size_ == other.size_;
-    case TYPE_CALL_STACK:
-      return call_stack_ == other.call_stack_;
-    case TYPE_NONE:
-      // "NONE" types are considered to be all identical.
-      return true;
-  }
-  return false;
-}
-
-bool LeakDetectorValueType::operator<(
-    const LeakDetectorValueType& other) const {
-  if (type_ != other.type_)
-    return type_ < other.type_;
-
-  switch (type_) {
-    case TYPE_SIZE:
-      return size_ < other.size_;
-    case TYPE_CALL_STACK:
-      return call_stack_ < other.call_stack_;
-    case TYPE_NONE:
-      // "NONE" types are considered to be all identical.
-      return false;
-  }
-  return false;
-}
-
-}  // namespace leak_detector
-}  // namespace metrics