bluetooth: Make in progress errors consistent across android

device/bluetooth/bluetooth_device.h

Index: device/bluetooth/bluetooth_device.h
diff --git a/device/bluetooth/bluetooth_device.h b/device/bluetooth/bluetooth_device.h
index ec127b80a971c423437a9c354973a5cad688c81b..4fca8dcd98bb8897a62d53d114c8dc53bc6a2b28 100644
--- a/device/bluetooth/bluetooth_device.h
+++ b/device/bluetooth/bluetooth_device.h
@@ -540,6 +540,16 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDevice {
   // Return associated BluetoothAdapter.
   BluetoothAdapter* GetAdapter() { return adapter_; }
 
+  // Returns true if there is a pending read or write GATT operation for any
+  // characteristic or descriptor in the device. It's checked before
+  // performing any GATT operations.
+  bool HasPendingGattOperation() const;
+  // Sets whether or not there is a pending GATT operation for any
+  // characteristic or descriptor in the device. It is set to true when a new
+  // GATT operation is about to be performed and to false once the operation has
+  // finished.
+  void SetPendingGattOperation(bool pending);
+
   std::vector<BluetoothRemoteGattService*> GetPrimaryServices();
 
   std::vector<BluetoothRemoteGattService*> GetPrimaryServicesByUUID(
@@ -659,6 +669,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDevice {
   // Map of Manufacturer IDs to their advertised Manufacturer Data.
   ManufacturerDataMap manufacturer_data_;
 
+  // Indicates if there are any pending GATT operations.
+  bool pending_gatt_operation_;
+
   // Timestamp for when an advertisement was last seen.
   base::Time last_update_time_;