1 files changed, 53 insertions, 0 deletions
diff --git a/xpcom/glue/nsMemory.cpp b/xpcom/glue/nsMemory.cpp
new file mode 100644
index 000000000..3bf7c1f0f
--- /dev/null
+++ b/xpcom/glue/nsMemory.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsXPCOM.h"
+#include "nsMemory.h"
+#include "nsIMemory.h"
+#include "nsXPCOMPrivate.h"
+#include "nsDebug.h"
+#include "nsISupportsUtils.h"
+#include "nsCOMPtr.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// nsMemory static helper routines
+
+nsresult
+nsMemory::HeapMinimize(bool aImmediate)
+{
+  nsCOMPtr<nsIMemory> mem;
+  nsresult rv = NS_GetMemoryManager(getter_AddRefs(mem));
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  return mem->HeapMinimize(aImmediate);
+}
+
+void*
+nsMemory::Clone(const void* aPtr, size_t aSize)
+{
+  void* newPtr = NS_Alloc(aSize);
+  if (newPtr) {
+    memcpy(newPtr, aPtr, aSize);
+  }
+  return newPtr;
+}
+
+nsIMemory*
+nsMemory::GetGlobalMemoryService()
+{
+  nsIMemory* mem;
+  nsresult rv = NS_GetMemoryManager(&mem);
+  if (NS_FAILED(rv)) {
+    return nullptr;
+  }
+
+  return mem;
+}
+
+//----------------------------------------------------------------------
+