Fix CompositorResizeLock to do something.

ui/compositor/test/fake_compositor_lock.cc

Index: ui/compositor/test/fake_compositor_lock.cc
diff --git a/ui/compositor/test/fake_compositor_lock.cc b/ui/compositor/test/fake_compositor_lock.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ff34d51554de4d8a229293d0607848bbe8fc9ecf
--- /dev/null
+++ b/ui/compositor/test/fake_compositor_lock.cc
@@ -0,0 +1,15 @@
+// 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.
+
+#include "ui/compositor/test/fake_compositor_lock.h"
+
+namespace ui {
+
+FakeCompositorLock::FakeCompositorLock(CompositorLockClient* client,
+                                       CompositorLockDelegate* delegate,
+                                       base::SequencedTaskRunner* task_runner,
+                                       base::TimeDelta timeout)
+    : CompositorLock(client, delegate, task_runner, timeout) {}
+
+}  // namespace