[DO NOT COMMIT] mojo datapipe performance measurement

content/common/loader_test.mojom

Index: content/common/loader_test.mojom
diff --git a/content/common/loader_test.mojom b/content/common/loader_test.mojom
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+// Copyright 2015 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.
+
+module content;
+
+// The Geolocation service provides updates on the device's location.  By
+// default, it provides updates with low accuracy, but |SetHighAccuracy()| may
+// be called to change this.
+interface LoaderTestService {
+  Transmit(handle<data_pipe_consumer> pipe) => ();
+  Hash(handle<data_pipe_consumer> data) => (string hash);
+};