MJPEG acceleration for video capture using VAAPI

content/browser/renderer_host/media/video_capture_buffer_pool.cc

Index: content/browser/renderer_host/media/video_capture_buffer_pool.cc
diff --git a/content/browser/renderer_host/media/video_capture_buffer_pool.cc b/content/browser/renderer_host/media/video_capture_buffer_pool.cc
index a336a7efc7896563a19f2ec8bf29cad0625f7354..69aae6f5b278e74ba1dd9473af5c3e9afd90b2af 100644
--- a/content/browser/renderer_host/media/video_capture_buffer_pool.cc
+++ b/content/browser/renderer_host/media/video_capture_buffer_pool.cc
@@ -43,6 +43,7 @@ class VideoCaptureBufferPool::SharedMemTracker final : public Tracker {
   void* storage() override { return shared_memory_.memory(); }
   size_t requested_size() override { return shared_memory_.requested_size(); }
   size_t mapped_size() override { return shared_memory_.mapped_size(); }
+  base::SharedMemoryHandle handle() override { return shared_memory_.handle(); }
 
   bool ShareToProcess(base::ProcessHandle process_handle,
                       base::SharedMemoryHandle* new_handle) override {
@@ -107,7 +108,8 @@ base::SharedMemoryHandle VideoCaptureBufferPool::ShareToProcess(
 
 bool VideoCaptureBufferPool::GetBufferInfo(int buffer_id,
                                            void** storage,
-                                           size_t* size) {
+                                           size_t* size,
+                                           base::SharedMemoryHandle* handle) {
   base::AutoLock lock(lock_);
 
   Tracker* tracker = GetTracker(buffer_id);
@@ -119,6 +121,7 @@ bool VideoCaptureBufferPool::GetBufferInfo(int buffer_id,
   DCHECK(tracker->held_by_producer());
   *storage = tracker->storage();
   *size = tracker->mapped_size();
+  *handle = tracker->handle();
   return true;
 }