Move touchscreen device caching to DeviceDataManager

ui/display/chromeos/x11/display_configurator_x11.cc

Index: ui/display/chromeos/x11/display_configurator_x11.cc
diff --git a/ui/display/chromeos/x11/display_configurator_x11.cc b/ui/display/chromeos/x11/display_configurator_x11.cc
index 8d8fa5a31c4df7049e9ec15fac842580525b0333..93c056c32e8583eceaf5b14229065ff2e15134fc 100644
--- a/ui/display/chromeos/x11/display_configurator_x11.cc
+++ b/ui/display/chromeos/x11/display_configurator_x11.cc
@@ -4,9 +4,7 @@
 
 #include "ui/display/chromeos/display_configurator.h"
 
-#include "ui/display/chromeos/touchscreen_delegate_impl.h"
 #include "ui/display/chromeos/x11/native_display_delegate_x11.h"
-#include "ui/display/chromeos/x11/touchscreen_device_manager_x11.h"
 
 namespace ui {
 
@@ -15,11 +13,4 @@ DisplayConfigurator::CreatePlatformNativeDisplayDelegate() {
   return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateX11());
 }
 
-scoped_ptr<DisplayConfigurator::TouchscreenDelegate>
-DisplayConfigurator::CreatePlatformTouchscreenDelegate() {
-  return scoped_ptr<TouchscreenDelegate>(new TouchscreenDelegateImpl(
-      scoped_ptr<TouchscreenDeviceManager>(
-          new TouchscreenDeviceManagerX11())));
-}
-
 }  // namespace ui