Remove //device/devices_app.

device/usb/usb.gyp

 # Copyright 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'device_usb',
       'type': 'static_library',
       'dependencies': [
         '../../components/components.gyp:device_event_log_component',
         '../../net/net.gyp:net',
         '../../third_party/libusb/libusb.gyp:libusb',
         '../core/core.gyp:device_core',
       ],
       'include_dirs': [
         '../..',
       ],
       'sources': [
         'android/usb_jni_registrar.cc',
         'android/usb_jni_registrar.h',
+        'mojo/device_impl.cc',
+        'mojo/device_impl.h',
+        'mojo/device_manager_impl.cc',
+        'mojo/device_manager_impl.h',
+        'mojo/type_converters.cc',
+        'mojo/type_converters.h',
         'usb_configuration_android.cc',
         'usb_configuration_android.h',
         'usb_context.cc',
         'usb_context.h',
         'usb_descriptors.cc',
         'usb_descriptors.h',
         'usb_device_impl.cc',
         'usb_device_impl.h',
         'usb_device.cc',
         'usb_device.h',
@@ skipping 74 matching lines @@
           ]
         }],
         ['chromeos==1', {
           'dependencies': [
             '../../chromeos/chromeos.gyp:chromeos',
           ],
         }],
       ]
     },
     {
+      'target_name': 'device_usb_mojo_bindings',
+      'type': 'static_library',
+      'sources': [
+        'public/interfaces/device.mojom',
+        'public/interfaces/device_manager.mojom',
+        'public/interfaces/permission_provider.mojom',
+      ],
+      'includes': [
+        '../../mojo/mojom_bindings_generator.gypi',
+      ],
+    },
+    {
       'target_name': 'device_usb_mocks',
       'type': 'static_library',
       'include_dirs': [
         '../..',
       ],
       'dependencies': [
         '../../testing/gmock.gyp:gmock',
         'device_usb',
       ],
       'sources': [
@@ skipping 41 matching lines @@
           'type': 'none',
           'variables': {
             'source_file': 'usb_descriptors.h',
           },
           'includes': [ '../../build/android/java_cpp_enum.gypi' ],
         },
       ],
     }],
   ],
 }