1 files changed, 73 insertions, 0 deletions
diff --git a/dom/ipc/MemoryReportRequest.h b/dom/ipc/MemoryReportRequest.h
new file mode 100644
index 0000000000..1e81a39bf6
--- /dev/null
+++ b/dom/ipc/MemoryReportRequest.h
@@ -0,0 +1,73 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_MemoryReportRequest_h_
+#define mozilla_dom_MemoryReportRequest_h_
+
+#include "mozilla/dom/MemoryReportTypes.h"
+#include "mozilla/ipc/FileDescriptor.h"
+#include "nsISupports.h"
+
+#include <functional>
+
+class nsMemoryReporterManager;
+
+namespace mozilla::dom {
+
+class MemoryReport;
+
+class MemoryReportRequestHost final {
+ public:
+  explicit MemoryReportRequestHost(uint32_t aGeneration);
+  ~MemoryReportRequestHost();
+
+  void RecvReport(const MemoryReport& aReport);
+  void Finish(uint32_t aGeneration);
+
+ private:
+  const uint32_t mGeneration;
+  // Non-null if we haven't yet called EndProcessReport() on it.
+  RefPtr<nsMemoryReporterManager> mReporterManager;
+  bool mSuccess;
+};
+
+class MemoryReportRequestClient final : public nsIRunnable {
+ public:
+  using ReportCallback = std::function<void(const MemoryReport&)>;
+  using FinishCallback = std::function<void(const uint32_t&)>;
+
+  NS_DECL_ISUPPORTS
+
+  static void Start(uint32_t aGeneration, bool aAnonymize,
+                    bool aMinimizeMemoryUsage,
+                    const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile,
+                    const nsACString& aProcessString,
+                    const ReportCallback& aReportCallback,
+                    const FinishCallback& aFinishCallback);
+
+  NS_IMETHOD Run() override;
+
+ private:
+  MemoryReportRequestClient(uint32_t aGeneration, bool aAnonymize,
+                            const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile,
+                            const nsACString& aProcessString,
+                            const ReportCallback& aReportCallback,
+                            const FinishCallback& aFinishCallback);
+
+ private:
+  ~MemoryReportRequestClient();
+
+  uint32_t mGeneration;
+  bool mAnonymize;
+  mozilla::ipc::FileDescriptor mDMDFile;
+  nsCString mProcessString;
+  ReportCallback mReportCallback;
+  FinishCallback mFinishCallback;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_MemoryReportRequest_h_