Move //device/generic_sensor to be part of the internal implementation of the Device Service.

content/browser/DEPS

 include_rules = [
   # Allow inclusion of specific components that we depend on.
   # See comment in content/DEPS for which components are allowed.
   "+components/discardable_memory/common",
   "+components/discardable_memory/service",
   "+components/display_compositor",
   "+components/filesystem",
   "+components/leveldb",
   "+components/link_header_util",
   "+components/metrics",
   "+components/metrics:single_sample_metrics",
   "+components/mime_util",
   "+components/payments",
   "+components/profile_service",
   "+components/rappor/public",
   "+components/scheduler/common",
   "+components/tracing",
   "+components/url_formatter",
   "+components/viz",
 
   "+content/app/strings/grit",  # For generated headers
   "+content/public/browser",
   "+device/gamepad", # For gamepad API
-  "+device/generic_sensor",  # For sensors service.
   "+device/geolocation",
   "+device/nfc",
   "+device/power_save_blocker",
   "+device/screen_orientation/public/interfaces",
   "+device/sensors",
   "+device/vr",  # For WebVR API
   "+device/wake_lock/public/interfaces",
   # This can only be used on POSIX, in particular it mustn't be used on Windows
   # in the browser DLL.
   "+gin/v8_initializer.h",
@@ skipping 94 matching lines @@
   "+third_party/WebKit/public/web/WebSharedWorkerCreationContextType.h",
   "+third_party/WebKit/public/web/WebSharedWorkerCreationErrors.h",
   "+third_party/WebKit/public/web/WebTextDirection.h",
   "+third_party/WebKit/public/web/WebTreeScopeType.h",
   "+third_party/WebKit/public/web/mac/WebScrollbarTheme.h",
 
   # DO NOT ADD ANY CHROME OR COMPONENTS INCLUDES HERE!!!
   # See https://sites.google.com/a/chromium.org/dev/developers/content-module
   # for more information.
 ]