Add overscanCalibration methods to system_display.idl

extensions/browser/api/system_display/display_info_provider.cc

 // Copyright 2013 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 "extensions/browser/api/system_display/display_info_provider.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "extensions/common/api/system_display.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
@@ skipping 71 matching lines @@
   DisplayUnitInfoList all_displays;
   for (const display::Display& display : displays) {
     api::system_display::DisplayUnitInfo unit =
         CreateDisplayUnitInfo(display, primary_id);
     UpdateDisplayUnitInfoForPlatform(display, &unit);
     all_displays.push_back(std::move(unit));
   }
   return all_displays;
 }
 
+bool DisplayInfoProvider::OverscanCalibrationStart(const std::string& id) {
+  return false;
+}
+
+bool DisplayInfoProvider::OverscanCalibrationAdjust(
+    const std::string& id,
+    const api::system_display::Insets& delta) {
+  return false;
+}
+
+bool DisplayInfoProvider::OverscanCalibrationReset(const std::string& id) {
+  return false;
+}
+
+bool DisplayInfoProvider::OverscanCalibrationComplete(const std::string& id) {
+  return false;
+}
+
 DisplayInfoProvider::DisplayInfoProvider() {
 }
 
 }  // namespace extensions