Revert 93094 - Initial sensor event provider for testing views screen rotation

content/common/sensors.h

-// 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.
-
-#ifndef CONTENT_COMMON_SENSORS_H_
-#define CONTENT_COMMON_SENSORS_H_
-#pragma once
-
-namespace sensors {
-
-// Indicates the coarse orientation of the device.
-struct ScreenOrientation {
-  enum Side {
-    TOP = 0,     // The screen is in its normal orientation.
-    BOTTOM = 1,  // The screen is upside-down (180-degree rotation).
-    LEFT = 2,    // The right side of the screen is at the top.
-    RIGHT = 3,   // The left side of the screen is at the top.
-    FRONT = 4,   // The screen is laid flat, facing upward.
-    BACK = 5,    // The screen is laid flat, facing downward.
-  };
-
-  // The side of the device which the user probably perceives as facing upward.
-  // This can be used to orient controls and content in a "natural" direction.
-  Side upward;
-};
-
-}  // namespace sensors
-
-#endif  // CONTENT_COMMON_SENSORS_H_