Move //device/sensor impl to be part of the internal implemenation of the Device Service.

content/app/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/features.gni")
 import("//ppapi/features/features.gni")
 
 # Implements "content_main" given the defines and visibility. On Windows this
 # is compiled with a different define for browser and child, but all code needs
@@ skipping 34 matching lines @@
     # JNI registration.
     content_app_deps += [
       "//content/browser",
       "//content/child",
       "//content/public/android:jni",
       "//device/bluetooth",
       "//device/gamepad",
       "//device/generic_sensor",
       "//device/geolocation",
       "//device/power_save_blocker",
-      "//device/sensors",
       "//device/usb",
       "//gpu",
       "//media",
       "//media/capture",
       "//media/midi",
       "//net",
       "//skia",
       "//third_party/android_tools:cpu_features",
       "//ui/android",
       "//ui/events",
@@ skipping 124 matching lines @@
   }
 
   implement_content_app("child") {
     visibility = [ "//content/public/app:child" ]
     defines = [ "CHROME_MULTIPLE_DLL_CHILD" ]
     deps = [
       ":content_app_child_deps",
     ]
   }
 }