Fix typos in device/bluetooth headers.

device/bluetooth/bluetooth_gatt_descriptor.h

Index: device/bluetooth/bluetooth_gatt_descriptor.h
diff --git a/device/bluetooth/bluetooth_gatt_descriptor.h b/device/bluetooth/bluetooth_gatt_descriptor.h
index 84139b8cbed007e586045cd67ae92fb2e4fe38ac..4e2ee9ce1384dbc2bcb1880e6f4ccb09a1441fe4 100644
--- a/device/bluetooth/bluetooth_gatt_descriptor.h
+++ b/device/bluetooth/bluetooth_gatt_descriptor.h
@@ -24,7 +24,7 @@ class BluetoothGattDescriptor {
   // profiles can use. The following are definitions for the list of UUIDs
   // and descriptions of the characteristic descriptors that they represent.
   // Possible values for and further information on each descriptor can be found
-  // in Core v4.0, Volume 3, Part G, Section 3.3.3. All of these desciptors are
+  // in Core v4.0, Volume 3, Part G, Section 3.3.3. All of these descriptors are
   // optional and may not be present for a given characteristic.
 
   // The "Characteristic Extended Properties" descriptor. This defines
@@ -83,7 +83,7 @@ class BluetoothGattDescriptor {
   static const BluetoothUUID& CharacteristicPresentationFormatUuid();
 
   // The "Characteristic Aggregate Format" descriptor defines the format of an
-  // aggragated characteristic value. In GATT's underlying protocol, ATT, each
+  // aggregated characteristic value. In GATT's underlying protocol, ATT, each
   // attribute is identified by a handle that is unique for the hosting server.
   // Multiple characteristics can share the same instance(s) of a
   // "Characteristic Presentation Format" descriptor. The value of the
@@ -95,7 +95,8 @@ class BluetoothGattDescriptor {
   //
   // Applications that are using the device::Bluetooth API do not have access to
   // the underlying handles and shouldn't use this descriptor to determine which
-  // "Characteristic Presentation Format" desciptors belong to a characteristic.
+  // "Characteristic Presentation Format" descriptors belong to a
+  // characteristic.
   // The API will construct a BluetoothGattDescriptor object for each instance
   // of "Characteristic Presentation Format" descriptor per instance of
   // BluetoothGattCharacteristic that represents a remote characteristic.
@@ -133,7 +134,7 @@ class BluetoothGattDescriptor {
       const std::vector<uint8>& value,
       BluetoothGattCharacteristic::Permissions permissions);
 
-  // Identifier used to uniquely identify a GATT descriptorobject. This is
+  // Identifier used to uniquely identify a GATT descriptor object. This is
   // different from the descriptor UUID: while multiple descriptors with the
   // same UUID can exist on a Bluetooth device, the identifier returned from
   // this method is unique among all descriptors of a device. The contents of