ImageCapture: Implement takePhoto() for Windows

media/capture/video/linux/v4l2_capture_delegate.h

 // Copyright 2015 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_CAPTURE_VIDEO_LINUX_V4L2_CAPTURE_DELEGATE_H_
 #define MEDIA_CAPTURE_VIDEO_LINUX_V4L2_CAPTURE_DELEGATE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 45 matching lines @@
   void StopAndDeAllocate();
 
   void TakePhoto(VideoCaptureDevice::TakePhotoCallback callback);
 
   void SetRotation(int rotation);
 
  private:
   friend class base::RefCountedThreadSafe<V4L2CaptureDelegate>;
   ~V4L2CaptureDelegate();
 
+  class BufferTracker;
+
   // VIDIOC_QUERYBUFs a buffer from V4L2, creates a BufferTracker for it and
   // enqueues it (VIDIOC_QBUF) back into V4L2.
   bool MapAndQueueBuffer(int index);
 
   void DoCapture();
 
-  class BufferTracker;
-  mojom::BlobPtr GetPhotoBlob(
-      const scoped_refptr<BufferTracker>& buffer_tracker,
-      const uint32_t bytesused);
-
   void SetErrorState(const tracked_objects::Location& from_here,
                      const std::string& reason);
 
   const scoped_refptr<base::SingleThreadTaskRunner> v4l2_task_runner_;
   const VideoCaptureDeviceDescriptor device_descriptor_;
   const int power_line_frequency_;
 
   // The following members are only known on AllocateAndStart().
   VideoCaptureFormat capture_format_;
   v4l2_format video_fmt_;
@@ skipping 10 matching lines @@
 
   // Clockwise rotation in degrees. This value should be 0, 90, 180, or 270.
   int rotation_;
 
   DISALLOW_COPY_AND_ASSIGN(V4L2CaptureDelegate);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_VIDEO_LINUX_V4L2_CAPTURE_DELEGATE_H_