Implements part of Device Motion in the Renderer

content/common/device_motion_messages.h

+// Copyright (c) 2012 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.
+
+// IPC messages for device motion.
+// Multiply-included message file, hence no include guard.
+
+#include "ipc/ipc_message_macros.h"
+
+#define IPC_MESSAGE_START DeviceMotionMsgStart
+
+IPC_STRUCT_BEGIN(DeviceMotionMsg_Updated_Params)
+  // These fields have the same meaning as in device_motion::Motion.
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_x)
+  IPC_STRUCT_MEMBER(double, acceleration_x)
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_y)
+  IPC_STRUCT_MEMBER(double, acceleration_y)
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_z)
+  IPC_STRUCT_MEMBER(double, acceleration_z)
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_x)
+  IPC_STRUCT_MEMBER(double, acceleration_including_gravity_x)
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_y)
+  IPC_STRUCT_MEMBER(double, acceleration_including_gravity_y)
+  IPC_STRUCT_MEMBER(bool, can_provide_acceleration_including_gravity_z)
+  IPC_STRUCT_MEMBER(double, acceleration_including_gravity_z)
+  IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_alpha)
+  IPC_STRUCT_MEMBER(double, rotation_rate_alpha)
+  IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_beta)
+  IPC_STRUCT_MEMBER(double, rotation_rate_beta)
+  IPC_STRUCT_MEMBER(bool, can_provide_rotation_rate_gamma)
+  IPC_STRUCT_MEMBER(double, rotation_rate_gamma)
+  IPC_STRUCT_MEMBER(bool, can_provide_interval)
+  IPC_STRUCT_MEMBER(double, interval)
+IPC_STRUCT_END()
+
+// Messages sent from the browser to the renderer.
+
+// Notification that the device's motion has changed.
+IPC_MESSAGE_ROUTED1(DeviceMotionMsg_Updated,
+                    DeviceMotionMsg_Updated_Params)
+
+// Messages sent from the renderer to the browser.
+
+// A RenderView requests to start receiving device motion updates.
+IPC_MESSAGE_CONTROL1(DeviceMotionHostMsg_StartUpdating,
+                     int /* render_view_id */)
+
+// A RenderView requests to stop receiving device motion updates.
+IPC_MESSAGE_CONTROL1(DeviceMotionHostMsg_StopUpdating,
+                     int /* render_view_id */)