touch: Change how touch-screen capability is processed.

ui/events/devices/touchscreen_device.cc

Index: ui/events/devices/touchscreen_device.cc
diff --git a/ui/events/devices/touchscreen_device.cc b/ui/events/devices/touchscreen_device.cc
index 87bb9ce318ad49f8a91c5619a74e4fe0a0c8fa57..b8f1d41ad6e9692761349547b7dafdff80c2294b 100644
--- a/ui/events/devices/touchscreen_device.cc
+++ b/ui/events/devices/touchscreen_device.cc
@@ -10,14 +10,15 @@
 
 namespace ui {
 
-TouchscreenDevice::TouchscreenDevice() {
+TouchscreenDevice::TouchscreenDevice() : touch_points(0) {
 }
 
 TouchscreenDevice::TouchscreenDevice(unsigned int id,
                                      InputDeviceType type,
                                      const std::string& name,
-                                     const gfx::Size& size)
-    : InputDevice(id, type, name), size(size) {
+                                     const gfx::Size& size,
+                                     int touch_points)
+    : InputDevice(id, type, name), size(size), touch_points(touch_points) {
 }
 
 }  // namespace ui