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      1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Multiply-included message file, no include guard.
      6 
      7 #include "base/memory/shared_memory.h"
      8 #include "content/common/gamepad_param_traits.h"
      9 #include "ipc/ipc_message_macros.h"
     10 #include "ipc/ipc_param_traits.h"
     11 #include "ipc/ipc_platform_file.h"
     12 #include "third_party/WebKit/public/platform/WebGamepad.h"
     13 
     14 #define IPC_MESSAGE_START GamepadMsgStart
     15 
     16 IPC_MESSAGE_CONTROL2(GamepadMsg_GamepadConnected,
     17                      int /* index */,
     18                      blink::WebGamepad)
     19 
     20 IPC_MESSAGE_CONTROL2(GamepadMsg_GamepadDisconnected,
     21                      int /* index */,
     22                      blink::WebGamepad)
     23 
     24 // Messages sent from the renderer to the browser.
     25 
     26 // Asks the browser process to start polling, and return a shared memory
     27 // handles that will hold the data from the hardware. See
     28 // gamepad_hardware_buffer.h for a description of how synchronization is
     29 // handled. The number of Starts should match the number of Stops.
     30 IPC_SYNC_MESSAGE_CONTROL0_1(GamepadHostMsg_StartPolling,
     31                             base::SharedMemoryHandle /* handle */)
     32 
     33 IPC_SYNC_MESSAGE_CONTROL0_0(GamepadHostMsg_StopPolling)
     34