Reland of "Mojo interface/service for Leak Detector on remote process"

chrome/renderer/leak_detector/BUILD.gn

Index: chrome/renderer/leak_detector/BUILD.gn
diff --git a/chrome/renderer/leak_detector/BUILD.gn b/chrome/renderer/leak_detector/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..8c8eadf74abadd140cb4c8aa497406f39c958b5a
--- /dev/null
+++ b/chrome/renderer/leak_detector/BUILD.gn
@@ -0,0 +1,19 @@
+# Copyright 2016 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.
+
+if (is_chromeos) {
+  # GYP version: chrome/chrome_renderer.gypi:chrome_renderer_leak_detector_sources
+  source_set("leak_detector") {
+    sources = [
+      "leak_detector_remote_client.cc",
+      "leak_detector_remote_client.h",
+    ]
+    deps = [
+      "//components/metrics/leak_detector:interfaces",
+      "//components/metrics/leak_detector:leak_detector",
+      "//components/metrics/proto:proto",
+      "//services/shell/public/cpp",
+    ]
+  }
+}