Fix typos in device/bluetooth headers.

device/bluetooth/bluetooth_gatt_descriptor.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 DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 
 namespace device {
 
 // BluetoothGattDescriptor represents a local or remote GATT characteristic
 // descriptor. A GATT characteristic descriptor provides further information
 // about a characteristic's value. They can be used to describe the
 // characteristic's features or to control certain behaviors.
 class BluetoothGattDescriptor {
  public:
   // The Bluetooth Specification declares several predefined descriptors that
   // 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
   // additional "Characteristic Properties" which cannot fit into the allocated
   // single octet property field of a characteristic. The value is a bit field
   // and the two predefined bits, as per Bluetooth Core Specification v4.0, are:
   //
   //    - Reliable Write: 0x0001
   //    - Writable Auxiliaries: 0x0002
   //
@@ skipping 38 matching lines @@
   // the Characteristic Value. The value is composed of 7 octets which are
   // divided into groups that represent different semantic meanings. For a
   // detailed description of how the value of this descriptor should be
   // interpreted, refer to Core v4.0, Volume 3, Part G, Section 3.3.3.5. If more
   // than one declaration of this descriptor exists for a characteristic, then a
   // "Characteristic Aggregate Format" descriptor must also exist for that
   // characteristic.
   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
   // "Characteristic Aggregate Format" descriptor contains a list of handles
   // that each refer to a "Characteristic Presentation Format" descriptor that
   // is used by that characteristic. Hence, exactly one instance of this
   // descriptor must exist if more than one "Characteristic Presentation Format"
   // descriptors exist for a characteristic.
   //
   // 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.
   // Similarly for local characteristics, implementations DO NOT need to create
   // an instance of BluetoothGattDescriptor for this descriptor as this will be
   // handled by the subsystem.
   static const BluetoothUUID& CharacteristicAggregateFormatUuid();
 
   // The ErrorCallback is used by methods to asynchronously report errors.
   typedef base::Callback<void(BluetoothGattService::GattErrorCode)>
@@ skipping 17 matching lines @@
   //
   // Currently, only custom UUIDs, |kCharacteristicDescriptionUuid|, and
   // |kCharacteristicPresentationFormat| are supported for locally hosted
   // descriptors. This method will return NULL if |uuid| is any one of the
   // unsupported predefined descriptor UUIDs.
   static BluetoothGattDescriptor* Create(
       const BluetoothUUID& uuid,
       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
   // the identifier are platform specific.
   virtual std::string GetIdentifier() const = 0;
 
   // The Bluetooth-specific UUID of the characteristic descriptor.
   virtual BluetoothUUID GetUUID() const = 0;
 
   // Returns true, if this characteristic descriptor is hosted locally. If
@@ skipping 33 matching lines @@
   BluetoothGattDescriptor();
   virtual ~BluetoothGattDescriptor();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptor);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_