Fix BluetoothAdapterProfileChromeOS lifecycle management

device/bluetooth/bluetooth_adapter_chromeos.h

Index: device/bluetooth/bluetooth_adapter_chromeos.h
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.h b/device/bluetooth/bluetooth_adapter_chromeos.h
index 61e4a3a3da9c3c12e5545a96e13a7a059cb80b00..415fce89e0bfedad78ff5673d0b87bc7aed124ad 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.h
+++ b/device/bluetooth/bluetooth_adapter_chromeos.h
@@ -145,8 +145,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterChromeOS
                   const ProfileRegisteredCallback& success_callback,
                   const ErrorCompletionCallback& error_callback);
 
-  // Releases the profile associated with |uuid|
-  void ReleaseProfile(const device::BluetoothUUID& uuid);
+  // Release use of a profile by a device.
+  void ReleaseProfile(const dbus::ObjectPath& device_path,
+                      BluetoothAdapterProfileChromeOS* profile);
 
  protected:
   // BluetoothAdapter:
@@ -283,20 +284,21 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterChromeOS
 
   // Called by dbus:: on completion of the D-Bus method to register a profile.
   void OnRegisterProfile(const device::BluetoothUUID& uuid,
-                         const dbus::ObjectPath& device_path,
-                         BluetoothProfileServiceProvider::Delegate* delegate,
-                         const ProfileRegisteredCallback& success_callback,
-                         const ErrorCompletionCallback& error_callback);
-  bool SetProfileDelegate(const device::BluetoothUUID& uuid,
+                         BluetoothAdapterProfileChromeOS* profile);
+
+  void SetProfileDelegate(const device::BluetoothUUID& uuid,
                           const dbus::ObjectPath& device_path,
                           BluetoothProfileServiceProvider::Delegate* delegate,
                           const ProfileRegisteredCallback& success_callback,
                           const ErrorCompletionCallback& error_callback);
   void OnRegisterProfileError(const device::BluetoothUUID& uuid,
-                              const ErrorCompletionCallback& error_callback,
                               const std::string& error_name,
                               const std::string& error_message);
 
+  // Called by BluetoothAdapterProfileChromeOS when no users of a profile
+  // remain.
+  void RemoveProfile(const device::BluetoothUUID& uuid);
+
   // Processes the queued discovery requests. For each DiscoveryCallbackPair in
   // the queue, this method will try to add a new discovery session. This method
   // is called whenever a pending D-Bus call to start or stop discovery has
@@ -340,6 +342,14 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterChromeOS
   // The profiles we have registered with the bluetooth daemon.
   std::map<device::BluetoothUUID, BluetoothAdapterProfileChromeOS*> profiles_;
 
+  // Callback pair for the profile registration queue.
+  typedef std::pair<base::Closure, ErrorCompletionCallback>
+      RegisterProfileCompletionPair;
+
+  // Queue of delegates waiting for a profile to register.
+  std::map<device::BluetoothUUID, std::vector<RegisterProfileCompletionPair>*>
+      profile_queues_;
+
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothAdapterChromeOS> weak_ptr_factory_;