Revert of [Mojo Video Capture] Simplify media::VideoCaptureDevice::Client:Buffer to a struct

media/capture/video/video_capture_device.cc

Index: media/capture/video/video_capture_device.cc
diff --git a/media/capture/video/video_capture_device.cc b/media/capture/video/video_capture_device.cc
index bb441d3a95c3b0cf46b52b57f8c6c934375675d2..5da33f01b7c39fcde86833e000fc04a04bbfd3da 100644
--- a/media/capture/video/video_capture_device.cc
+++ b/media/capture/video/video_capture_device.cc
@@ -13,27 +13,11 @@
 
 namespace media {
 
-VideoCaptureDevice::Client::Buffer::Buffer() : id_(0), frame_feedback_id_(0) {}
+VideoCaptureDevice::Client::Buffer::~Buffer() {
+}
 
-VideoCaptureDevice::Client::Buffer::Buffer(
-    int buffer_id,
-    int frame_feedback_id,
-    std::unique_ptr<HandleProvider> handle_provider,
-    std::unique_ptr<ScopedAccessPermission> access_permission)
-    : handle_provider_(std::move(handle_provider)),
-      access_permission_(std::move(access_permission)),
-      id_(buffer_id),
-      frame_feedback_id_(frame_feedback_id) {}
-
-VideoCaptureDevice::Client::Buffer::Buffer(
-    VideoCaptureDevice::Client::Buffer&& other) = default;
-
-VideoCaptureDevice::Client::Buffer::~Buffer() = default;
-
-VideoCaptureDevice::Client::Buffer& VideoCaptureDevice::Client::Buffer::
-operator=(VideoCaptureDevice::Client::Buffer&& other) = default;
-
-VideoCaptureDevice::~VideoCaptureDevice() {}
+VideoCaptureDevice::~VideoCaptureDevice() {
+}
 
 void VideoCaptureDevice::GetPhotoCapabilities(
     GetPhotoCapabilitiesCallback callback) {}