--- a/js/src/frontend/BinSource.cpp
+++ b/js/src/frontend/BinSource.cpp
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #include "frontend/BinSource.h"
 
 #include "mozilla/ArrayUtils.h"
 #include "mozilla/Casting.h"
 #include "mozilla/Maybe.h"
 #include "mozilla/Move.h"
 #include "mozilla/PodOperations.h"
 #include "mozilla/Vector.h"

--- a/js/src/frontend/BinSource.h
+++ b/js/src/frontend/BinSource.h
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #ifndef frontend_BinSource_h
 #define frontend_BinSource_h
 
 /**
  * A Binary AST parser.
  *
  * At the time of this writing, this parser implements the grammar of ES5
  * and trusts its input (in particular, variable declarations).

--- a/js/src/frontend/BinToken.cpp
+++ b/js/src/frontend/BinToken.cpp
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #include "frontend/BinToken.h"
 
 #include <sys/types.h>
 
 namespace js {
 namespace frontend {
 
 const char* BINKIND_DESCRIPTIONS[] = {

--- a/js/src/frontend/BinToken.h
+++ b/js/src/frontend/BinToken.h
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #ifndef frontend_BinToken_h
 #define frontend_BinToken_h
 
 /**
  * Definition of Binary AST tokens.
  *
  * In the Binary AST world, an AST is composed of nodes, where a node is
  * defined by:

--- a/js/src/frontend/BinTokenReaderTester.cpp
+++ b/js/src/frontend/BinTokenReaderTester.cpp
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #include "frontend/BinTokenReaderTester.h"
 
 #include "mozilla/EndianUtils.h"
 #include "gc/Zone.h"
 
 namespace js {
 namespace frontend {
 

--- a/js/src/frontend/BinTokenReaderTester.h
+++ b/js/src/frontend/BinTokenReaderTester.h
@@ -1,8 +1,14 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 #ifndef frontend_BinTokenReaderTester_h
 #define frontend_BinTokenReaderTester_h
 
 #include "mozilla/Maybe.h"
 
 #include "frontend/BinToken.h"
 #include "frontend/TokenStream.h"