Add m-esr52 at 52.6.0

1 files changed, 36 insertions, 0 deletions

diff --git a/tools/profiler/public/ProfilerBacktrace.h b/tools/profiler/public/ProfilerBacktrace.h
new file mode 100644
index 000000000..bcaab3563
--- /dev/null
+++ b/tools/profiler/public/ProfilerBacktrace.h
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 2; 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 __PROFILER_BACKTRACE_H
+#define __PROFILER_BACKTRACE_H
+
+class SyncProfile;
+class SpliceableJSONWriter;
+class UniqueStacks;
+
+class ProfilerBacktrace
+{
+public:
+  explicit ProfilerBacktrace(SyncProfile* aProfile);
+  ~ProfilerBacktrace();
+
+  // ProfilerBacktraces' stacks are deduplicated in the context of the
+  // profile that contains the backtrace as a marker payload.
+  //
+  // That is, markers that contain backtraces should not need their own stack,
+  // frame, and string tables. They should instead reuse their parent
+  // profile's tables.
+  void StreamJSON(SpliceableJSONWriter& aWriter, UniqueStacks& aUniqueStacks);
+
+private:
+  ProfilerBacktrace(const ProfilerBacktrace&);
+  ProfilerBacktrace& operator=(const ProfilerBacktrace&);
+
+  SyncProfile*  mProfile;
+};
+
+#endif // __PROFILER_BACKTRACE_H
+