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

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index f46da97c6b175f12de695861fec9990ec0943ce7..dbfccb8192fb3efb61ecc4c93c4b50466f16d04f 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -4007,6 +4007,34 @@ void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
   OnResize(params);
 }
 
+void RenderViewImpl::SetScreenOrientationForTesting(
+    const blink::WebScreenOrientationType& orientation) {
+  ViewMsg_Resize_Params params;
+  params.screen_info = screen_info_;
+  params.screen_info.orientationType = orientation;
+  switch(orientation) {
+    case blink::WebScreenOrientationLandscapePrimary:
+      params.screen_info.orientationAngle = 90;
+      break;
+    case blink::WebScreenOrientationLandscapeSecondary:
+      params.screen_info.orientationAngle = -90;
+      break;
+    case blink::WebScreenOrientationPortraitSecondary:
+      params.screen_info.orientationAngle = 180;
+      break;
+    default:
+      params.screen_info.orientationAngle = 0;
+  }
+  params.new_size = size();
+  params.physical_backing_size =
+      gfx::ToCeiledSize(gfx::ScaleSize(size(),
+          params.screen_info.deviceScaleFactor));
+  params.overdraw_bottom_height = 0.f;
+  params.resizer_rect = WebRect();
+  params.is_fullscreen = is_fullscreen();
+  OnResize(params);
+}
+
 void RenderViewImpl::SetDeviceColorProfileForTesting(
     const std::vector<char>& color_profile) {
   // TODO(noel): Add RenderViewImpl::SetDeviceColorProfile(color_profile).