Adds special support to the device manager for keyboards devices.

ash/touch/touchscreen_util.cc

Index: ash/touch/touchscreen_util.cc
diff --git a/ash/touch/touchscreen_util.cc b/ash/touch/touchscreen_util.cc
index b7f0b994ae7d2678ca93093858522ece54acbe1d..898c9248a33cd466e244d713bac56a016b25f9a8 100644
--- a/ash/touch/touchscreen_util.cc
+++ b/ash/touch/touchscreen_util.cc
@@ -7,6 +7,7 @@
 #include <set>
 
 #include "base/logging.h"
+#include "ui/events/input_device.h"
 
 namespace ash {
 
@@ -15,7 +16,7 @@ void AssociateTouchscreens(std::vector<DisplayInfo>* displays,
   std::set<int> no_match_touchscreen;
   int internal_touchscreen = -1;
   for (size_t i = 0; i < devices.size(); ++i) {
-    if (devices[i].is_internal) {
+    if (devices[i].type == ui::InputDeviceType::INPUT_DEVICE_INTERNAL) {
       internal_touchscreen = i;
       break;
     }