Fix copyright line in upstreamed file

ios/web/browser_state.cc

Index: ios/web/browser_state.cc
diff --git a/ios/web/browser_state.cc b/ios/web/browser_state.cc
index df2499aff95641c41ab219ce833024dd0486f941..871055f0a6fe50ead7af74564d74095db9072133 100644
--- a/ios/web/browser_state.cc
+++ b/ios/web/browser_state.cc
@@ -1,4 +1,4 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -10,4 +10,4 @@ BrowserState::BrowserState() {
 
 BrowserState::~BrowserState() {
 }
-}
+}  // namespace web