ImageCapture: ScopedResultCallback

media/capture/video/android/video_capture_device_android.h

 // Copyright (c) 2013 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 MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_
 #define MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_
 
 #include <jni.h>
 #include <string>
 
@@ skipping 38 matching lines @@
 
   // Registers the Java VideoCaptureDevice pointer, used by the rest of the
   // methods of the class to operate the Java capture code. This method must be
   // called after the class constructor and before AllocateAndStart().
   bool Init();
 
   // VideoCaptureDevice implementation.
   void AllocateAndStart(const VideoCaptureParams& params,
                         std::unique_ptr<Client> client) override;
   void StopAndDeAllocate() override;
-  bool TakePhoto(const TakePhotoCallback& photo_callback) override;
+  void TakePhoto(ScopedCallback<TakePhotoCallback> callback) override;
 
   // Implement org.chromium.media.VideoCapture.nativeOnFrameAvailable.
   void OnFrameAvailable(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& obj,
                         const base::android::JavaParamRef<jbyteArray>& data,
                         jint length,
                         jint rotation);
 
   // Implement org.chromium.media.VideoCapture.nativeOnError.
   void OnError(JNIEnv* env,
@@ skipping 21 matching lines @@
   // accessed from different threads.
   base::Lock lock_;
   InternalState state_;
   bool got_first_frame_;
   base::TimeTicks expected_next_frame_time_;
   base::TimeDelta frame_interval_;
   std::unique_ptr<VideoCaptureDevice::Client> client_;
 
   // List of |photo_callbacks_| in flight, being served in Java side.
   base::Lock photo_callbacks_lock_;
-  std::list<std::unique_ptr<TakePhotoCallback>> photo_callbacks_;
+  std::list<std::unique_ptr<ScopedCallback<TakePhotoCallback>>>
+      photo_callbacks_;
 
   Name device_name_;
   VideoCaptureFormat capture_format_;
 
   // Java VideoCaptureAndroid instance.
   base::android::ScopedJavaLocalRef<jobject> j_capture_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceAndroid);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_