Bump Bluetooth max filter name length from 29 bytes to 240 bytes

content/browser/bluetooth/bluetooth_device_chooser_controller.cc

Index: content/browser/bluetooth/bluetooth_device_chooser_controller.cc
diff --git a/content/browser/bluetooth/bluetooth_device_chooser_controller.cc b/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
index 19cad9b7c8ea02382046bf52fcc3db903a22a406..090df58aa6035fe10718573ea765619b3bde7b83 100644
--- a/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
+++ b/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
@@ -79,8 +79,11 @@ namespace content {
 bool BluetoothDeviceChooserController::use_test_scan_duration_ = false;
 
 namespace {
-constexpr size_t kMaxLengthForDeviceName =
-    29;  // max length of device name in filter.
+// Max length of device name in filter. A name coming from an adv packet
+// is max 29 bytes (adv packet max size 31 bytes - 2 byte length field),
+// but the name can also be acquired via gap.device_name, so it is limited
+// to the max EIR packet size of 240 bytes. See Core Spec 5.0, vol 3, C, 8.1.2.

[jeffcarp, 2017/01/11 01:47:27]

Added spec citation here and copied over the comment from
Bluetooth.kMaxFilterNameLength.

+constexpr size_t kMaxLengthForDeviceName = 240;
 
 // The duration of a Bluetooth Scan in seconds.
 constexpr int kScanDuration = 60;