Make screen.orientation implementation use WebScreenInfo::orientationType

Source/platform/PlatformScreen.cpp

Index: Source/platform/PlatformScreen.cpp
diff --git a/Source/platform/PlatformScreen.cpp b/Source/platform/PlatformScreen.cpp
index 6b57afce424c4907a4ed0cddce6acb9843831241..e7d50d70db3f269947cb5cd1e1da35d2bdd203e7 100644
--- a/Source/platform/PlatformScreen.cpp
+++ b/Source/platform/PlatformScreen.cpp
@@ -96,6 +96,14 @@ uint16_t screenOrientationAngle(Widget* widget)
     return hostWindow->screenInfo().orientationAngle;
 }
 
+blink::WebScreenOrientationType screenOrientationType(Widget* widget)
+{
+    HostWindow* hostWindow = toHostWindow(widget);
+    if (!hostWindow)
+        return blink::WebScreenOrientationUndefined;
+    return hostWindow->screenInfo().orientationType;
+}
+
 void screenColorProfile(ColorProfile& toProfile)
 {
     blink::WebVector<char> profile;