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

content/public/test/layouttest_support.h

Index: content/public/test/layouttest_support.h
diff --git a/content/public/test/layouttest_support.h b/content/public/test/layouttest_support.h
index 98339889ac6522324fc872c6ef4638e05016188d..e9323712163b155e64dd4a03d5744b86dd45fe15 100644
--- a/content/public/test/layouttest_support.h
+++ b/content/public/test/layouttest_support.h
@@ -61,6 +61,7 @@ void SetMockDeviceOrientationData(const blink::WebDeviceOrientationData& data);
 
 // Sets WebScreenOrientationType that should be used as a mock orientation.
 void SetMockScreenOrientation(
+    RenderView* render_view,
     const blink::WebScreenOrientationType& orientation);
 
 // Returns the length of the local session history of a render view.