diff --git a/base/memory/shared_memory_fuchsia.cc b/base/memory/shared_memory_fuchsia.cc
index 9ad212fd277675..c622308c855881 100644
--- a/base/memory/shared_memory_fuchsia.cc
+++ b/base/memory/shared_memory_fuchsia.cc
@@ -4,6 +4,8 @@
 
 #include "base/memory/shared_memory.h"
 
+#include <limits>
+
 #include <magenta/process.h>
 #include <magenta/rights.h>
 #include <magenta/syscalls.h>
@@ -36,6 +38,12 @@ void SharedMemory::CloseHandle(const SharedMemoryHandle& handle) {
   handle.Close();
 }
 
+// static
+size_t SharedMemory::GetHandleLimit() {
+  // No documented limit, currently.
+  return std::numeric_limits<size_t>::max();
+}
+
 bool SharedMemory::CreateAndMapAnonymous(size_t size) {
   return CreateAnonymous(size) && Map(size);
 }