Add explicit constructors with field initializers.

device/bluetooth/bluetooth_task_manager_win.h

 // Copyright (c) 2012 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_TASK_MANAGER_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 17 matching lines @@
 // bluetooth adapter state changes and any other bluetooth device inquiry
 // result.
 //
 // It delegates the blocking Windows API calls to |bluetooth_task_runner_|'s
 // message loop, and receives responses via methods like OnAdapterStateChanged
 // posted to UI thread.
 class BluetoothTaskManagerWin
     : public base::RefCountedThreadSafe<BluetoothTaskManagerWin> {
  public:
   struct AdapterState {
+    AdapterState();
+    ~AdapterState();
     std::string name;
     std::string address;
     bool powered;
   };
 
   struct ServiceRecordState {
+    ServiceRecordState();
+    ~ServiceRecordState();
     std::string name;
     std::string address;
     std::vector<uint8> sdp_bytes;
   };
 
   struct DeviceState {
+    DeviceState();
+    ~DeviceState();
     std::string name;
     std::string address;
     uint32 bluetooth_class;
     bool visible;
     bool connected;
     bool authenticated;
     ScopedVector<ServiceRecordState> service_record_states;
   };
 
   class Observer {
@@ skipping 88 matching lines @@
 
   // indicates whether the adapter is in discovery mode or not.
   bool discovering_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothTaskManagerWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_