Implement create attribute API functions for BTLE.

chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 19 matching lines @@
 
 namespace content {
 
 class BrowserContext;
 
 }  // namespace content
 
 namespace device {
 
 class BluetoothGattNotifySession;
+class BluetoothLocalGattCharacteristic;
 
 }  // namespace device
 
 namespace extensions {
 
 class BluetoothLowEnergyConnection;
 class BluetoothLowEnergyNotifySession;
 class Extension;
 
 // The BluetoothLowEnergyEventRouter is used by the bluetoothLowEnergy API to
@@ skipping 220 matching lines @@
       device::BluetoothRemoteGattDescriptor* descriptor) override;
   void GattCharacteristicValueChanged(
       device::BluetoothAdapter* adapter,
       device::BluetoothRemoteGattCharacteristic* characteristic,
       const std::vector<uint8_t>& value) override;
   void GattDescriptorValueChanged(
       device::BluetoothAdapter* adapter,
       device::BluetoothRemoteGattDescriptor* descriptor,
       const std::vector<uint8_t>& value) override;
 
+  // Adds a mapping for a local characteristic ID to its service ID
+  void AddLocalCharacteristic(const std::string& id,
+                              const std::string& service_id);
+  // Returns a BluetoothGattCharacteristic by its ID |id|.
+  // Returns NULL, if the characteristic cannot be found.
+  device::BluetoothLocalGattCharacteristic* GetLocalCharacteristic(
+      const std::string& id) const;
+
   device::BluetoothAdapter* adapter() { return adapter_.get(); }
 
  private:
   // Called by BluetoothAdapterFactory.
   void OnGetAdapter(const base::Closure& callback,
                     scoped_refptr<device::BluetoothAdapter> adapter);
 
   // Initializes the identifier for all existing GATT objects and devices.
   // Called by OnGetAdapter and SetAdapterForTesting.
   void InitializeIdentifierMappings();
@@ skipping 140 matching lines @@
   // 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<BluetoothLowEnergyEventRouter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_