Use mojo typemap to simplify the code using DmabufPlane

chrome/gpu/arc_gpu_video_decode_accelerator.cc

Index: chrome/gpu/arc_gpu_video_decode_accelerator.cc
diff --git a/chrome/gpu/arc_gpu_video_decode_accelerator.cc b/chrome/gpu/arc_gpu_video_decode_accelerator.cc
index 7b66321fd3a239e3ab835dc5d71dc2c349d43a02..d489cea1446553e70055799248ce3900d00f3a0d 100644
--- a/chrome/gpu/arc_gpu_video_decode_accelerator.cc
+++ b/chrome/gpu/arc_gpu_video_decode_accelerator.cc
@@ -186,7 +186,8 @@ void ArcGpuVideoDecodeAccelerator::BindSharedMemory(PortType port,
 
 bool ArcGpuVideoDecodeAccelerator::VerifyDmabuf(
     const base::ScopedFD& dmabuf_fd,
-    const std::vector<DmabufPlane>& dmabuf_planes) const {
+    const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& dmabuf_planes)
+    const {
   size_t num_planes = media::VideoFrame::NumPlanes(output_pixel_format_);
   if (dmabuf_planes.size() != num_planes) {
     DLOG(ERROR) << "Invalid number of dmabuf planes passed: "
@@ -226,7 +227,7 @@ void ArcGpuVideoDecodeAccelerator::BindDmabuf(
     PortType port,
     uint32_t index,
     base::ScopedFD dmabuf_fd,
-    const std::vector<DmabufPlane>& dmabuf_planes) {
+    const std::vector<::arc::ArcVideoAcceleratorDmabufPlane>& dmabuf_planes) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (!vda_) {