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

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index dc0a9f2535810941f1720d9e131d0061120ed26d..3534446b5e1771b74a2b6f97a0990a5414b52272 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -46,6 +46,7 @@
 
 #if defined(OS_WIN)
 #include "base/win/win_util.h"
+#include "ui/base/win/osk_display_manager.h"
 #endif
 
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
@@ -769,7 +770,7 @@ void Textfield::OnGestureEvent(ui::GestureEvent* event) {
       CreateTouchSelectionControllerAndNotifyIt();
 #if defined(OS_WIN)
       if (!read_only())
-        base::win::DisplayVirtualKeyboard();
+        ui::DisplayVirtualKeyboard();
 #endif
       event->SetHandled();
       break;