Use WebScreenInfo members to provide screen orientation information for layout test support.

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index 8f57dee350faa7884cc7372419ce94486679e48e..9a8a2d5139020144c3f744571d9824a19e86811c 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -102,8 +102,11 @@ void SetMockDeviceOrientationData(const WebDeviceOrientationData& data) {
       SetMockDeviceOrientationDataForTesting(data);
 }
 
-void SetMockScreenOrientation(
+void SetMockScreenOrientation(RenderView* render_view,
     const blink::WebScreenOrientationType& orientation) {
+  static_cast<RenderViewImpl*>(render_view)->
+      SetScreenOrientationForTesting(orientation);
+  // FIXME(ostap): Remove this when blink side gets updated.
   RendererWebKitPlatformSupportImpl::
       SetMockScreenOrientationForTesting(orientation);
 }