diff -r 000000000000 -r 6474c204b198 netwerk/protocol/http/SpdyZlibReporter.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/protocol/http/SpdyZlibReporter.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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/. */
+
+/* A memory allocator for zlib use in SPDY that reports to about:memory. */
+
+#include "mozilla/Assertions.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/Attributes.h"
+#include "nsIMemoryReporter.h"
+#include "zlib.h"
+
+namespace mozilla {
+
+class SpdyZlibReporter MOZ_FINAL : public nsIMemoryReporter
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  SpdyZlibReporter()
+  {
+#ifdef DEBUG
+    // There must be only one instance of this class, due to |sAmount|
+    // being static.
+    static bool hasRun = false;
+    MOZ_ASSERT(!hasRun);
+    hasRun = true;
+#endif
+    sAmount = 0;
+  }
+
+  static void* Alloc(void*, uInt items, uInt size);
+  static void Free(void*, void* p);
+
+private:
+  // |sAmount| can be (implicitly) accessed by multiple threads, so it
+  // must be thread-safe.
+  static Atomic<size_t> sAmount;
+
+  MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
+  MOZ_DEFINE_MALLOC_SIZE_OF_ON_ALLOC(MallocSizeOfOnAlloc)
+  MOZ_DEFINE_MALLOC_SIZE_OF_ON_FREE(MallocSizeOfOnFree)
+
+  NS_IMETHODIMP
+  CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData);
+};
+
+} // namespace mozilla