Experimentally disable termination on heap corrruption in order to measure the contribution of this…

chrome/common/terminate_on_heap_corruption_experiment_win.cc

Index: chrome/common/terminate_on_heap_corruption_experiment_win.cc
diff --git a/chrome/common/terminate_on_heap_corruption_experiment_win.cc b/chrome/common/terminate_on_heap_corruption_experiment_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b4838c8d7c1d7a5162295fd8a40758fae84d7d23
--- /dev/null
+++ b/chrome/common/terminate_on_heap_corruption_experiment_win.cc
@@ -0,0 +1,41 @@
+// 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/metrics/field_trial.h"
+#include "base/win/registry.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_version_info.h"
+
+namespace {
+
+wchar_t* GetBeaconKeyPath() {
+  chrome::VersionInfo::Channel 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());
+  } else {
+    regkey.DeleteKey(GetBeaconKeyPath());
+  }
+}