First set of changes to remove ENABLE_ORIENTATION_EVENT compile time flag.

Source/web/WebRuntimeFeatures.cpp

Index: Source/web/WebRuntimeFeatures.cpp
diff --git a/Source/web/WebRuntimeFeatures.cpp b/Source/web/WebRuntimeFeatures.cpp
index eb374e7046068e3631e715de1569489aedf80e00..eb9a2bf1a41f029c12867aa48816a513034de25a 100644
--- a/Source/web/WebRuntimeFeatures.cpp
+++ b/Source/web/WebRuntimeFeatures.cpp
@@ -280,6 +280,16 @@ bool WebRuntimeFeatures::isNavigatorContentUtilsEnabled()
     return RuntimeEnabledFeatures::navigatorContentUtilsEnabled();
 }
 
+void WebRuntimeFeatures::enableOrientationEvent(bool enable)
+{
+    RuntimeEnabledFeatures::setOrientationEventEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isOrientationEventEnabled()
+{
+    return RuntimeEnabledFeatures::orientationEventEnabled();
+}
+
 void WebRuntimeFeatures::enablePagePopup(bool enable)
 {
     RuntimeEnabledFeatures::setPagePopupEnabled(enable);