Add pipe implementation for OOP memory logging

chrome/common/profiling/memlog_sender_pipe.h

Index: chrome/common/profiling/memlog_sender_pipe.h
diff --git a/chrome/common/profiling/memlog_sender_pipe.h b/chrome/common/profiling/memlog_sender_pipe.h
new file mode 100644
index 0000000000000000000000000000000000000000..ba2653e578b59f0ae11048d7ac946ecfdddb0232
--- /dev/null
+++ b/chrome/common/profiling/memlog_sender_pipe.h
@@ -0,0 +1,14 @@
+// Copyright 2017 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.
+
+#ifndef CHROME_COMMON_PROFILING_MEMLOG_SENDER_PIPE_H_
+#define CHROME_COMMON_PROFILING_MEMLOG_SENDER_PIPE_H_
+
+#include "build/build_config.h"
+
+#if defined(OS_WIN)

[Boris Vidolov, 2017/06/15 21:50:59]

Cam we avoid the conditional compilation by using the same pipe header and vary
only the .cc file?

[brettw, 2017/06/15 22:12:21]

This is similar to a previous iteration I did that I wasn't very happy with. As
we discussed in Slack, it's hard to make decisions here without seeing what the
other implementations look like. We can tweak as those come in.

+#include "chrome/common/profiling/memlog_sender_pipe_win.h"
+#endif
+
+#endif  // CHROME_COMMON_PROFILING_MEMLOG_SENDER_PIPE_H_