Mojo: Make device/ to not rely on connecton error notification on message loop destruction.

device/usb/mojo/device_impl.h

 // Copyright 2015 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_USB_MOJO_DEVICE_IMPL_H_
 #define DEVICE_USB_MOJO_DEVICE_IMPL_H_
 
 #include <stdint.h>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "device/usb/mojo/permission_provider.h"
 #include "device/usb/public/interfaces/device.mojom.h"
 #include "device/usb/usb_device.h"
 #include "device/usb/usb_device_handle.h"
-#include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace net {
 class IOBuffer;
 }
 
 namespace device {
 namespace usb {
 
 class PermissionProvider;
 
@@ skipping 70 matching lines @@
 
   const scoped_refptr<UsbDevice> device_;
   const DeviceInfoPtr device_info_;
   base::WeakPtr<PermissionProvider> permission_provider_;
   ScopedObserver<device::UsbDevice, device::UsbDevice::Observer> observer_;
 
   // The device handle. Will be null before the device is opened and after it
   // has been closed.
   scoped_refptr<UsbDeviceHandle> device_handle_;
 
-  mojo::Binding<Device> binding_;
+  mojo::StrongBinding<Device> binding_;
   base::WeakPtrFactory<DeviceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceImpl);
 };
 
 }  // namespace usb
 }  // namespace device
 
 #endif  // DEVICE_USB_MOJO_DEVICE_IMPL_H_