Implement ScreenOrientationDelegate on ChromeOS

ash/wm/maximize_mode/maximize_mode_controller.cc

 // 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.
 
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/accelerometer/accelerometer_controller.h"
 #include "ash/ash_switches.h"
@@ skipping 134 matching lines @@
     return;
   base::AutoReset<bool> auto_ignore_display_configuration_updates(
       &ignore_display_configuration_updates_, true);
   rotation_locked_ = rotation_locked;
   Shell::GetInstance()->display_manager()->
       RegisterDisplayRotationProperties(rotation_locked_, current_rotation_);
   FOR_EACH_OBSERVER(Observer, observers_,
                     OnRotationLockChanged(rotation_locked_));
 }
 
+void MaximizeModeController::LockRotation(gfx::Display::Rotation rotation) {
+  SetRotationLocked(true);
+  SetDisplayRotation(Shell::GetInstance()->display_manager(), rotation);
+}
+
 void MaximizeModeController::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void MaximizeModeController::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
 bool MaximizeModeController::CanEnterMaximizeMode() {
   // If we have ever seen accelerometer data, then HandleHingeRotation may
@@ skipping 325 matching lines @@
   return elapsed_time <= kLidRecentlyOpenedDuration;
 }
 
 void MaximizeModeController::SetTickClockForTest(
     scoped_ptr<base::TickClock> tick_clock) {
   DCHECK(tick_clock_);
   tick_clock_ = tick_clock.Pass();
 }
 
 }  // namespace ash