SystemDisplayApi: Introdice OverscanTracker

extensions/test/data/system/display/overscan/test_overscan.js

Index: extensions/test/data/system/display/overscan/test_overscan.js
diff --git a/extensions/test/data/system/display/overscan/test_overscan.js b/extensions/test/data/system/display/overscan/test_overscan.js
new file mode 100644
index 0000000000000000000000000000000000000000..f3f0bd8f7fc0d3282cdc2530aa0841498a28c6bf
--- /dev/null
+++ b/extensions/test/data/system/display/overscan/test_overscan.js
@@ -0,0 +1,18 @@
+// 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.
+
+// system.display.overscan* api test
+// extensions_browsertests \
+//   --gtest_filter=SystemDisplayApiTest.OverscanCalibrationApp
+
+chrome.test.runTests([
+  function testOverscan() {
+    var id = "display0";
+    chrome.system.display.overscanCalibrationStart(id);
+    chrome.system.display.overscanCalibrationAdjust(
+        id, {left: 1, top: 1, right: -1, bottom: -1});
+    chrome.system.display.overscanCalibrationComplete(id);
+    chrome.test.notifyPass();
+  }
+]);