Clean up HID backend and API.

device/hid/hid_device_info.h

Index: device/hid/hid_device_info.h
diff --git a/device/hid/hid_device_info.h b/device/hid/hid_device_info.h
index b6659444a893c5004adfd96390a91aedf47c0da2..d44255428e51780665b222e03a117f2f5ecc1f06 100644
--- a/device/hid/hid_device_info.h
+++ b/device/hid/hid_device_info.h
@@ -5,10 +5,9 @@
 #ifndef DEVICE_HID_HID_DEVICE_INFO_H_
 #define DEVICE_HID_HID_DEVICE_INFO_H_
 
+#include <stdint.h>
 #include <string>
 
-#include "base/basictypes.h"
-
 namespace device {
 
 enum HidBusType {
@@ -23,15 +22,15 @@ struct HidDeviceInfo {
   std::string device_id;
 
   HidBusType bus_type;
-  uint16 vendor_id;
-  uint16 product_id;
+  uint16_t vendor_id;
+  uint16_t product_id;
 
   size_t input_report_size;
   size_t output_report_size;
   size_t feature_report_size;
 
-  uint16 usage_page;
-  uint16 usage;
+  uint16_t usage_page;
+  uint16_t usage;
   bool has_report_id;
 
   std::string product_name;