Add ClientNativePixmap multi-planar support.

components/exo/wayland/server.cc

Index: components/exo/wayland/server.cc
diff --git a/components/exo/wayland/server.cc b/components/exo/wayland/server.cc
index de1df93921a6841580b7e99fbb01e5b4d2a8c747..53b20f9432e12933ea581195d6beb1b66a0a4470 100644
--- a/components/exo/wayland/server.cc
+++ b/components/exo/wayland/server.cc
@@ -536,9 +536,9 @@ void drm_create_prime_buffer(wl_client* client,
   }
 
   std::vector<gfx::NativePixmapPlane> planes;
-  planes.emplace_back(stride0, offset0, 0);
-  planes.emplace_back(stride1, offset1, 0);
-  planes.emplace_back(stride2, offset2, 0);
+  planes.emplace_back(stride0, offset0, 0, 0);
+  planes.emplace_back(stride1, offset1, 0, 0);
+  planes.emplace_back(stride2, offset2, 0, 0);
   std::vector<base::ScopedFD> fds;
 
   size_t num_planes =
@@ -694,7 +694,7 @@ void linux_buffer_params_create(wl_client* client,
       return;
     }
     LinuxBufferParams::Plane& plane = plane_it->second;
-    planes.emplace_back(plane.stride, plane.offset, 0);
+    planes.emplace_back(plane.stride, plane.offset, 0, 0);
     if (plane.fd.is_valid())
       fds.push_back(std::move(plane.fd));
   }