Enable ScreenOrientation API by default

ash/content/display/screen_orientation_controller_chromeos.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/content/display/screen_orientation_controller_chromeos.h"
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
@@ skipping 165 matching lines @@
     requesting_window->AddObserver(this);
   locking_windows_[requesting_window] = lock_orientation;
 
   ApplyLockForActiveWindow();
 }
 
 bool ScreenOrientationController::ScreenOrientationProviderSupported() {
   return Shell::GetInstance()
              ->maximize_mode_controller()
              ->IsMaximizeModeWindowManagerEnabled() &&
-         base::CommandLine::ForCurrentProcess()->HasSwitch(
-             switches::kAshEnableTouchViewTesting);
+         !base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kAshDisableScreenOrientationLock);
 }
 
 void ScreenOrientationController::Unlock(content::WebContents* web_contents) {
   aura::Window* requesting_window = web_contents->GetNativeView();
   RemoveLockingWindow(requesting_window);
 }
 
 void ScreenOrientationController::OnDisplayConfigurationChanged() {
   if (ignore_display_configuration_updates_)
     return;
@@ skipping 215 matching lines @@
 }
 
 bool ScreenOrientationController::CanRotateInLockedState() {
   return rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockLandscape ||
          rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockPortrait;
 }
 
 }  // namespace ash