Move DeviceMotion related classes from core/dom to modules/device_orientation.

Source/modules/modules.gypi

Index: Source/modules/modules.gypi
diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi
index 8b17bad92e5e0ff14126beade71ab9eb42da68ec..aee277055d5578fc957b0c7ee87f4677aafd15e2 100644
--- a/Source/modules/modules.gypi
+++ b/Source/modules/modules.gypi
@@ -2,6 +2,7 @@
   'variables': {
     'modules_include_dirs': [
       'battery',
+      'device_orientation',
       'donottrack',
       'filesystem',
       'gamepad',
@@ -24,6 +25,9 @@
     'modules_idl_files': [
       'battery/BatteryManager.idl',
       'battery/NavigatorBattery.idl',
+      'device_orientation/DeviceAcceleration.idl',
+      'device_orientation/DeviceMotionEvent.idl',
+      'device_orientation/DeviceRotationRate.idl',
       'donottrack/NavigatorDoNotTrack.idl',
       'filesystem/DOMFileSystem.idl',
       'filesystem/DOMFileSystemSync.idl',
@@ -194,6 +198,17 @@
       'battery/BatteryStatus.h',
       'battery/NavigatorBattery.cpp',
       'battery/NavigatorBattery.h',
+      'device_orientation/DeviceAcceleration.cpp',
+      'device_orientation/DeviceAcceleration.h',
+      'device_orientation/DeviceMotionClient.h',
+      'device_orientation/DeviceMotionController.cpp',
+      'device_orientation/DeviceMotionController.h',
+      'device_orientation/DeviceMotionData.cpp',
+      'device_orientation/DeviceMotionData.h',
+      'device_orientation/DeviceMotionEvent.h',
+      'device_orientation/DeviceMotionEvent.cpp',
+      'device_orientation/DeviceRotationRate.cpp',
+      'device_orientation/DeviceRotationRate.h',
       'donottrack/NavigatorDoNotTrack.cpp',
       'donottrack/NavigatorDoNotTrack.h',
       'filesystem/DOMFilePath.cpp',