chromeos: Add a stub implementation for SensorsSource.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 414 matching lines @@
         'browser/chromeos/customization_document.cc',
         'browser/chromeos/customization_document.h',
         'browser/chromeos/dbus/bluetooth_adapter_client.cc',
         'browser/chromeos/dbus/bluetooth_adapter_client.h',
         'browser/chromeos/dbus/bluetooth_manager_client.cc',
         'browser/chromeos/dbus/bluetooth_manager_client.h',
         'browser/chromeos/dbus/cros_dbus_service.cc',
         'browser/chromeos/dbus/cros_dbus_service.h',
         'browser/chromeos/dbus/dbus_thread_manager.cc',
         'browser/chromeos/dbus/dbus_thread_manager.h',
-        'browser/chromeos/dbus/session_manager_client.cc',
-        'browser/chromeos/dbus/session_manager_client.h',
         'browser/chromeos/dbus/power_manager_client.cc',
         'browser/chromeos/dbus/power_manager_client.h',
         'browser/chromeos/dbus/proxy_resolution_service_provider.cc',
         'browser/chromeos/dbus/proxy_resolution_service_provider.h',
-        'browser/chromeos/dbus/sensors_source.cc',
-        'browser/chromeos/dbus/sensors_source.h',
+        'browser/chromeos/dbus/sensors_client.cc',
+        'browser/chromeos/dbus/sensors_client.h',
+        'browser/chromeos/dbus/session_manager_client.cc',
+        'browser/chromeos/dbus/session_manager_client.h',
         'browser/chromeos/dbus/speech_synthesizer_client.cc',
         'browser/chromeos/dbus/speech_synthesizer_client.h',
         'browser/chromeos/drop_shadow_label.cc',
         'browser/chromeos/enterprise_extension_observer.cc',
         'browser/chromeos/enterprise_extension_observer.h',
         'browser/chromeos/extensions/file_browser_event_router.cc',
         'browser/chromeos/extensions/file_browser_event_router.h',
         'browser/chromeos/extensions/file_browser_notifications.cc',
         'browser/chromeos/extensions/file_browser_notifications.h',
         'browser/chromeos/extensions/input_method_event_router.cc',
@@ skipping 4765 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }