Fix license headers in a number of files

third_party/cld/encodings/compact_lang_det/win/normalizedunicodetext.cc

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
 #include "encodings/compact_lang_det/win/normalizedunicodetext.h"
 
 #include <tchar.h>
 #include <windows.h>
 #include <winnls.h>
 
 #include "encodings/compact_lang_det/win/cld_scopedptr.h"
@@ skipping 151 matching lines @@
     }
 
     // Try again with the corrected buffer size.
     normalized_text_size_guess = -normalized_text_size;
   }
 
   // Use the original text in case of any problem with normalization.
   text_.reset();
   return text;
 }