Migrate chrome.bluetooth API backend to use device::BluetoothDiscoverySession.

chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h

Index: chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h
diff --git a/chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h b/chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h
index d6361adc3963c2d7650a45b6184117c2ff6439cc..ecc5ff85cf77e48cc9fcbeeca4ee1361c14771af 100644
--- a/chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h
+++ b/chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h
@@ -24,6 +24,7 @@ class BrowserContext;
 namespace device {
 
 class BluetoothDevice;
+class BluetoothDiscoverySession;
 class BluetoothProfile;
 
 }  // namespace device
@@ -81,6 +82,25 @@ class ExtensionBluetoothEventRouter
   // registered.
   bool HasProfile(const std::string& uuid) const;
 
+  // Requests that a new device discovery session be initiated for extension
+  // with id |extension_id|. |callback| is called, if a session has been
+  // initiated. |error_callback| is called, if the adapter failed to initiate
+  // the session or if an active session already exists for the extension.
+  void StartDiscoverySession(device::BluetoothAdapter* adapter,
+                             const std::string& extension_id,
+                             const base::Closure& callback,
+                             const base::Closure& error_callback);
+
+  // Requests that the active discovery session that belongs to the extension
+  // with id |extension_id| be terminated. |callback| is called, if the session
+  // successfully ended. |error_callback| is called, if the adapter failed to
+  // terminate the session or if no active discovery session exists for the
+  // extension.
+  void StopDiscoverySession(device::BluetoothAdapter* adapter,
+                            const std::string& extension_id,
+                            const base::Closure& callback,
+                            const base::Closure& error_callback);
+
   // Returns the BluetoothProfile that corresponds to |uuid|. It returns NULL
   // if the BluetoothProfile with |uuid| does not exist.
   device::BluetoothProfile* GetProfile(const std::string& uuid) const;
@@ -88,14 +108,6 @@ class ExtensionBluetoothEventRouter
   // Get the BluetoothSocket corresponding to |id|.
   scoped_refptr<device::BluetoothSocket> GetSocket(int id);
 
-  // Sets whether this Profile is responsible for the discovering state of the
-  // adapter.
-  void SetResponsibleForDiscovery(bool responsible);
-  bool IsResponsibleForDiscovery() const;
-
-  // Sets whether or not DeviceAdded events will be dispatched to extensions.
-  void SetSendDiscoveryEvents(bool should_send);
-
   // Dispatch an event that takes a device as a parameter to all renderers.
   void DispatchDeviceEvent(
       const std::string& event_name,
@@ -127,15 +139,17 @@ class ExtensionBluetoothEventRouter
   void SetAdapterForTest(device::BluetoothAdapter* adapter) {
     adapter_ = adapter;
   }
+
  private:
   void InitializeAdapterIfNeeded();
   void InitializeAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
   void MaybeReleaseAdapter();
   void DispatchAdapterStateEvent();
   void CleanUpForExtension(const std::string& extension_id);
-
-  bool send_discovery_events_;
-  bool responsible_for_discovery_;
+  void OnStartDiscoverySession(
+      const std::string& extension_id,
+      const base::Closure& callback,
+      scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
 
   content::BrowserContext* browser_context_;
   scoped_refptr<device::BluetoothAdapter> adapter_;
@@ -150,15 +164,16 @@ class ExtensionBluetoothEventRouter
   typedef std::map<int, ExtensionBluetoothSocketRecord> SocketMap;
   SocketMap socket_map_;
 
-  typedef ScopedVector<extensions::api::bluetooth::Device>
-      DeviceList;
-  DeviceList discovered_devices_;
-
   // A map that maps uuids to ExtensionBluetoothProfileRecord.
   typedef std::map<std::string, ExtensionBluetoothProfileRecord>
       BluetoothProfileMap;
   BluetoothProfileMap bluetooth_profile_map_;
 
+  // A map that maps extension ids to BluetoothDiscoverySession pointers.
+  typedef std::map<std::string, device::BluetoothDiscoverySession*>
+      DiscoverySessionMap;
+  DiscoverySessionMap discovery_session_map_;
+
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<ExtensionBluetoothEventRouter> weak_ptr_factory_;