Convert device_sensors to use mojo.

content/browser/device_sensors/device_inertial_sensor_service.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_
 #define CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
 #include "base/memory/singleton.h"
 #include "base/threading/thread_checker.h"
 #include "content/browser/device_sensors/device_sensors_consts.h"
 #include "content/common/content_export.h"
+#include "mojo/public/cpp/system/buffer.h"
 
 namespace content {
 
 class DataFetcherSharedMemory;
 
 // Owns the data fetcher for Device Motion and Orientation and keeps track of
 // the number of consumers currently using the data. The data fetcher is stopped
 // when there are no consumers.
 class CONTENT_EXPORT DeviceInertialSensorService {
  public:
   // Returns the DeviceInertialSensorService singleton.
   static DeviceInertialSensorService* GetInstance();
 
   // Increments the number of users of the provider. The Provider is running
   // when there's > 0 users, and is paused when the count drops to 0.
   // Must be called on the I/O thread.
   void AddConsumer(ConsumerType consumer_type);
 
   // Removes a consumer. Should be matched with an AddConsumer call.
   // Must be called on the I/O thread.
   void RemoveConsumer(ConsumerType cosumer_type);
 
-  // Returns the shared memory handle of the device motion data duplicated
-  // into the given process.
-  base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
-      ConsumerType consumer_type, base::ProcessHandle handle);
+  // Returns the shared memory handle of the device motion data.
+  mojo::ScopedSharedBufferHandle GetSharedMemoryHandle(
+      ConsumerType consumer_type);
 
   // Stop/join with the background polling thread in |provider_|.
   void Shutdown();
 
   // Injects a custom data fetcher for testing purposes. This class takes
   // ownership of the injected object.
   void SetDataFetcherForTesting(DataFetcherSharedMemory* test_data_fetcher);
 
  private:
   friend struct base::DefaultSingletonTraits<DeviceInertialSensorService>;
@@ skipping 11 matching lines @@
   bool is_shutdown_;
   std::unique_ptr<DataFetcherSharedMemory> data_fetcher_;
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceInertialSensorService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_INERTIAL_SENSOR_SERVICE_H_