Revert of Move more sources from modules.gypi to subdirectories.

third_party/WebKit/Source/modules/device_orientation/BUILD.gn

Index: third_party/WebKit/Source/modules/device_orientation/BUILD.gn
diff --git a/third_party/WebKit/Source/modules/device_orientation/BUILD.gn b/third_party/WebKit/Source/modules/device_orientation/BUILD.gn
deleted file mode 100644
index 9a3c589d4c3d51efb0c4d2cde7b478dd2069264d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/device_orientation/BUILD.gn
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright 2016 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("//third_party/WebKit/Source/modules/modules.gni")
-
-blink_modules_sources("device_orientation") {
-  sources = [
-    "DeviceAcceleration.cpp",
-    "DeviceAcceleration.h",
-    "DeviceMotionController.cpp",
-    "DeviceMotionController.h",
-    "DeviceMotionData.cpp",
-    "DeviceMotionData.h",
-    "DeviceMotionDispatcher.cpp",
-    "DeviceMotionDispatcher.h",
-    "DeviceMotionEvent.cpp",
-    "DeviceMotionEvent.h",
-    "DeviceOrientationAbsoluteController.cpp",
-    "DeviceOrientationAbsoluteController.h",
-    "DeviceOrientationController.cpp",
-    "DeviceOrientationController.h",
-    "DeviceOrientationData.cpp",
-    "DeviceOrientationData.h",
-    "DeviceOrientationDispatcher.cpp",
-    "DeviceOrientationDispatcher.h",
-    "DeviceOrientationEvent.cpp",
-    "DeviceOrientationEvent.h",
-    "DeviceOrientationInspectorAgent.cpp",
-    "DeviceOrientationInspectorAgent.h",
-    "DeviceRotationRate.cpp",
-    "DeviceRotationRate.h",
-  ]
-}