Enable device orientation by default.

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index a466041018ccb030841c2ab45d527bb68d161d6f..1b87560f4b5f6010ff96cccb36d96554e5a096e6 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -60,6 +60,7 @@ extern const char kDisableCustomJumpList[];
 extern const char kDisableDatabases[];
 extern const char kDisableDesktopNotifications[];
 extern const char kDisableDevTools[];
+extern const char kDisableDeviceOrientation[];
 extern const char kDisableExtensions[];
 extern const char kDisableExtensionsFileAccessCheck[];
 extern const char kDisableGeolocation[];
@@ -118,7 +119,6 @@ extern const char kEnableConnectBackupJobs[];
 extern const char kEnableContentPrefetch[];
 extern const char kEnableCookiePrompt[];
 extern const char kEnableDeviceMotion[];
-extern const char kEnableDeviceOrientation[];
 extern const char kEnableDNSSECCerts[];
 extern const char kEnableExperimentalExtensionApis[];
 extern const char kEnableExperimentalWebGL[];