sensors: Remove prototype implementation

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     'browser/debugger/devtools_resources.gyp:devtools_resources',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:http_server',
@@ skipping 108 matching lines @@
     'public/browser/resource_dispatcher_host.h',
     'public/browser/resource_dispatcher_host_delegate.cc',
     'public/browser/resource_dispatcher_host_delegate.h',
     'public/browser/resource_dispatcher_host_login_delegate.h',
     'public/browser/resource_request_details.cc',
     'public/browser/resource_request_details.h',
     'public/browser/resource_request_info.h',
     'public/browser/resource_throttle.h',
     'public/browser/resource_throttle_controller.h',
     'public/browser/save_page_type.h',
-    'public/browser/sensors.h',
-    'public/browser/sensors_listener.h',
-    'public/browser/sensors_provider.h',
     'public/browser/session_storage_namespace.h',
     'public/browser/site_instance.h',
     'public/browser/speech_recognition_event_listener.h',
     'public/browser/speech_recognition_manager.h',
     'public/browser/speech_recognition_manager_delegate.h',
     'public/browser/speech_recognition_preferences.h',
     'public/browser/speech_recognizer.h',
     'public/browser/trace_controller.h',
     'public/browser/trace_subscriber.h',
     'public/browser/user_metrics.h',
@@ skipping 449 matching lines @@
     'browser/renderer_host/web_input_event_aurawin.cc',
     'browser/renderer_host/web_input_event_aurax11.cc',
     'browser/renderer_host/x509_user_cert_resource_handler.cc',
     'browser/renderer_host/x509_user_cert_resource_handler.h',
     'browser/resolve_proxy_msg_helper.cc',
     'browser/resolve_proxy_msg_helper.h',
     'browser/resource_context_impl.cc',
     'browser/resource_context_impl.h',
     'browser/safe_util_win.cc',
     'browser/safe_util_win.h',
-    'browser/sensors/sensors_provider_impl.cc',
-    'browser/sensors/sensors_provider_impl.h',
     'browser/site_instance_impl.cc',
     'browser/site_instance_impl.h',
     'browser/speech/audio_buffer.cc',
     'browser/speech/audio_buffer.h',
     'browser/speech/audio_encoder.cc',
     'browser/speech/audio_encoder.h',
     'browser/speech/endpointer/endpointer.cc',
     'browser/speech/endpointer/endpointer.h',
     'browser/speech/endpointer/energy_endpointer.cc',
     'browser/speech/endpointer/energy_endpointer.h',
@@ skipping 293 matching lines @@
       ],
     }],
     ['input_speech==0', {
       'sources/': [
         ['exclude', '^browser/speech/'],
       ],
     }],
   ],
 }