Replace RE2 import with a dependency

extensions/browser/api/web_request/form_data_parser.cc

 // 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 "extensions/browser/api/web_request/form_data_parser.h"
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request.h"
-#include "third_party/re2/re2/re2.h"
+#include "third_party/re2/src/re2/re2.h"
 
 using base::DictionaryValue;
 using base::ListValue;
 using base::StringPiece;
 using re2::RE2;
 
 namespace extensions {
 
 namespace {
 
@@ skipping 560 matching lines @@
   if (value_pattern().Match(header,
                             kContentDispositionLength, header.size(),
                             RE2::UNANCHORED, groups, 2)) {
     value->set(groups[1].data(), groups[1].size());
     *value_assigned = true;
   }
   return true;
 }
 
 }  // namespace extensions