device/sensors
contains the platform-specific parts of the DeviceOrientation Events implementation.
public/interfaces
subdirectory.content/renderer/device_sensors
.third_party/WebKit/Source/modules/device_orientation
.content/browser/device_sensors
.third_party/WebKit/LayoutTests/device_orientation
.third_party/WebKit/LayoutTests/external/wpt/orientation-event
and are a mirror of the web-platform-tests GitHub repository.