bluetooth: Browser-side implementation of getCharacteristic

content/browser/bluetooth/bluetooth_dispatcher_host.h

Index: content/browser/bluetooth/bluetooth_dispatcher_host.h
diff --git a/content/browser/bluetooth/bluetooth_dispatcher_host.h b/content/browser/bluetooth/bluetooth_dispatcher_host.h
index bd21686020a2766de0bc112530f90a71418f08c1..fff36712a7d6e60c3afb851c8b89d6359d6bd00b 100644
--- a/content/browser/bluetooth/bluetooth_dispatcher_host.h
+++ b/content/browser/bluetooth/bluetooth_dispatcher_host.h
@@ -57,6 +57,10 @@ class CONTENT_EXPORT BluetoothDispatcherHost final
                            int request_id,
                            const std::string& device_instance_id,
                            const std::string& service_uuid);
+  void OnGetCharacteristic(int thread_id,
+                           int request_id,
+                           const std::string& service_instance_id,
+                           const std::string& characteristic_uuid);
 
   // Callbacks for BluetoothAdapter::StartDiscoverySession.
   void OnDiscoverySessionStarted(
@@ -95,6 +99,10 @@ class CONTENT_EXPORT BluetoothDispatcherHost final
                             const std::string& device_instance_id,
                             const std::string& service_uuid);
 
+  // Maps to get the object's parent based on it's instanceID
+  // Map of service_instance_id to device_instance_id.
+  std::map<std::string, std::string> service_to_device_;
+
   // Defines how long to scan for and how long to discover services for.
   int current_delay_time_;