Convert Gamepad IPC messages into mojo interface.

device/gamepad/gamepad_provider.cc

 // 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.
 
 #include "device/gamepad/gamepad_provider.h"
 
 #include <stddef.h>
 #include <string.h>
 #include <cmath>
 #include <utility>
@@ skipping 76 matching lines @@
 }
 
 base::SharedMemoryHandle GamepadProvider::GetSharedMemoryHandleForProcess(
     base::ProcessHandle process) {
   base::SharedMemoryHandle renderer_handle;
   gamepad_shared_buffer_->shared_memory()->ShareToProcess(process,
                                                           &renderer_handle);
   return renderer_handle;
 }
 
+base::SharedMemoryHandle GamepadProvider::GetSharedMemoryHandle() {
+  return base::SharedMemory::DuplicateHandle(
+      gamepad_shared_buffer_->shared_memory()->handle());
+}
+
 void GamepadProvider::GetCurrentGamepadData(WebGamepads* data) {
   const WebGamepads* pads = gamepad_shared_buffer_->buffer();
   base::AutoLock lock(shared_memory_lock_);
   *data = *pads;
 }
 
 void GamepadProvider::Pause() {
   {
     base::AutoLock lock(is_paused_lock_);
     is_paused_ = true;
@@ skipping 213 matching lines @@
     ever_had_user_gesture_ = true;
     for (size_t i = 0; i < user_gesture_observers_.size(); i++) {
       user_gesture_observers_[i].task_runner->PostTask(
           FROM_HERE, user_gesture_observers_[i].closure);
     }
     user_gesture_observers_.clear();
   }
 }
 
 }  // namespace device