diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/memory_debug.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/memory_debug.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+// Copyright (c) 2006-2008 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 "base/memory_debug.h"
+
+#ifdef PURIFY
+// this #define is used to prevent people from directly using pure.h
+// instead of memory_debug.h
+#define PURIFY_PRIVATE_INCLUDE
+#include "base/third_party/purify/pure.h"
+#endif
+
+namespace base {
+
+bool MemoryDebug::memory_in_use_ = false;
+
+void MemoryDebug::SetMemoryInUseEnabled(bool enabled) {
+  memory_in_use_ = enabled;
+}
+
+void MemoryDebug::DumpAllMemoryInUse() {
+#ifdef PURIFY
+  if (memory_in_use_)
+    PurifyAllInuse();
+#endif
+}
+
+void MemoryDebug::DumpNewMemoryInUse() {
+#ifdef PURIFY
+  if (memory_in_use_)
+    PurifyNewInuse();
+#endif
+}
+
+void MemoryDebug::DumpAllLeaks() {
+#ifdef PURIFY
+  PurifyAllLeaks();
+#endif
+}
+
+void MemoryDebug::DumpNewLeaks() {
+#ifdef PURIFY
+  PurifyNewLeaks();
+#endif
+}
+
+void MemoryDebug::MarkAsInitialized(void* addr, size_t size) {
+#ifdef PURIFY
+  PurifyMarkAsInitialized(addr, size);
+#endif
+}
+
+}  // namespace base