Pad HID output reports on Windows to the maximum output report size.

device/hid/hid_connection.cc

Index: device/hid/hid_connection.cc
diff --git a/device/hid/hid_connection.cc b/device/hid/hid_connection.cc
index 6ce2d7fd0024b20fbab5ad50647613f54500188e..c43667a2fc035299600958d1106cf8266804f044 100644
--- a/device/hid/hid_connection.cc
+++ b/device/hid/hid_connection.cc
@@ -99,6 +99,12 @@ void HidConnection::Write(scoped_refptr<net::IOBuffer> buffer,
     callback.Run(false);
     return;
   }
+  if (size > device_info_->max_output_report_size() + 1) {
+    VLOG(1) << "Output report buffer too long (" << size << " > "
+            << (device_info_->max_output_report_size() + 1) << ").";
+    callback.Run(false);
+    return;
+  }
   DCHECK_GE(size, 1u);
   uint8_t report_id = buffer->data()[0];
   if (device_info_->has_report_id() != (report_id != 0)) {