WIP: Plumbing input event latency reporting through Mus GPU.

components/latency_tracker/BUILD.gn

Index: components/latency_tracker/BUILD.gn
diff --git a/components/latency_tracker/BUILD.gn b/components/latency_tracker/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..7b504b36413c966768b764f9fa2be58ff6b07f54
--- /dev/null
+++ b/components/latency_tracker/BUILD.gn
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+# Copyright 2014 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.
+
+static_library("latency_tracker") {
+  sources = [
+    "latency_tracker.cc",
+    "latency_tracker.h",
+  ]
+
+  deps = [
+    "//base",
+    "//ui/events",
+  ]
+}