The on screen keyboard on Windows 8+ should not obscure the input field.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index d54b2d7d57322c2ff413483ae9fe0fb8ae766c1d..174d0ad7731cc356ae3502546a5025395062ef24 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -393,9 +393,6 @@ class CONTENT_EXPORT RenderViewHostImpl : public RenderViewHost,
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;
 
-  // Set to true if we requested the on screen keyboard to be displayed.
-  bool virtual_keyboard_requested_;
-
   // True if the current focused element is editable.
   bool is_focused_element_editable_;