diff --git a/src/google_breakpad/common/minidump_format.h b/src/google_breakpad/common/minidump_format.h
index da20f459..645c56c5 100644
--- a/src/google_breakpad/common/minidump_format.h
+++ b/src/google_breakpad/common/minidump_format.h
@@ -328,6 +328,10 @@ typedef enum {
   MD_MEMORY_INFO_LIST_STREAM     = 16,  /* MDRawMemoryInfoList */
   MD_THREAD_INFO_LIST_STREAM     = 17,
   MD_HANDLE_OPERATION_LIST_STREAM = 18,
+  MD_TOKEN_STREAM                = 19,
+  MD_JAVASCRIPT_DATA_STREAM      = 20,
+  MD_SYSTEM_MEMORY_INFO_STREAM   = 21,
+  MD_PROCESS_VM_COUNTERS_STREAM  = 22,
   MD_LAST_RESERVED_STREAM        = 0x0000ffff,
 
   /* Breakpad extension types.  0x4767 = "Gg" */
diff --git a/src/processor/minidump.cc b/src/processor/minidump.cc
index 3e40f4fd..f23daeeb 100644
--- a/src/processor/minidump.cc
+++ b/src/processor/minidump.cc
@@ -4567,6 +4567,14 @@ static const char* get_stream_name(uint32_t stream_type) {
     return "MD_THREAD_INFO_LIST_STREAM";
   case MD_HANDLE_OPERATION_LIST_STREAM:
     return "MD_HANDLE_OPERATION_LIST_STREAM";
+  case MD_TOKEN_STREAM:
+    return "MD_TOKEN_STREAM";
+  case MD_JAVASCRIPT_DATA_STREAM:
+    return "MD_JAVASCRIPT_DATA_STREAM";
+  case MD_SYSTEM_MEMORY_INFO_STREAM:
+    return "MD_SYSTEM_MEMORY_INFO_STREAM";
+  case MD_PROCESS_VM_COUNTERS_STREAM:
+    return "MD_PROCESS_VM_COUNTERS_STREAM";
   case MD_LAST_RESERVED_STREAM:
     return "MD_LAST_RESERVED_STREAM";
   case MD_BREAKPAD_INFO_STREAM: