Revert the TerminateOnHeapCorruption experiment.

chrome/common/terminate_on_heap_corruption_experiment_win.cc

-// Copyright 2014 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/terminate_on_heap_corruption_experiment_win.h"
-
-#include "base/command_line.h"
-#include "base/metrics/field_trial.h"
-#include "base/win/registry.h"
-#include "chrome/common/chrome_constants.h"
-#include "chrome/common/chrome_version_info.h"
-
-namespace {
-
-const wchar_t* GetBeaconKeyPath() {
-  chrome::VersionInfo::Channel channel = chrome::VersionInfo::CHANNEL_UNKNOWN;
-
-  // We are called quite early, before the CommandLine is initialized. We don't
-  // want to permanently initialize it because ContentMainRunner::Initialize
-  // sets some locale-related stuff to make sure it is parsed properly. But we
-  // can temporarily initialize it for the purpose of determining if we are
-  // Canary.
-  if (!base::CommandLine::InitializedForCurrentProcess()) {
-    base::CommandLine::Init(0, NULL);
-    channel = chrome::VersionInfo::GetChannel();
-    base::CommandLine::Reset();
-  } else {
-    channel = chrome::VersionInfo::GetChannel();
-  }
-
-  if (channel == chrome::VersionInfo::CHANNEL_CANARY) {
-    return L"SOFTWARE\\" PRODUCT_STRING_PATH
-        L"\\DisableTerminateOnProcessHeapCorruptionSxs";
-  }
-  return L"SOFTWARE\\" PRODUCT_STRING_PATH
-      L"\\DisableTerminateOnProcessHeapCorruption";
-}
-
-}  // namespace
-
-bool ShouldExperimentallyDisableTerminateOnHeapCorruption() {
-  base::win::RegKey regkey(
-      HKEY_CURRENT_USER, GetBeaconKeyPath(), KEY_QUERY_VALUE);
-  return regkey.Valid();
-}
-
-void InitializeDisableTerminateOnHeapCorruptionExperiment() {
-  base::win::RegKey regkey(HKEY_CURRENT_USER);
-
-  if (base::FieldTrialList::FindFullName("TerminateOnProcessHeapCorruption") ==
-      "Disabled") {
-    regkey.CreateKey(GetBeaconKeyPath(), KEY_SET_VALUE);
-  } else {
-    regkey.DeleteKey(GetBeaconKeyPath());
-  }
-}