Revert of Removing "using" declarations that import names in the C++ Standard library.

Source/core/inspector/ContentSearchUtils.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 15 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/inspector/ContentSearchUtils.h"
 
 #include "bindings/v8/ScriptRegexp.h"
 #include "wtf/text/StringBuilder.h"
 
+using namespace std;
+
 namespace WebCore {
 namespace ContentSearchUtils {
 
 namespace {
 // This should be kept the same as the one in front-end/utilities.js
 static const char regexSpecialCharacters[] = "[](){}+-*.,?\\^$|";
 }
 
 static String createSearchRegexSource(const String& text)
 {
@@ skipping 132 matching lines @@
 }
 
 String findSourceMapURL(const String& content, MagicCommentType commentType, bool* deprecated)
 {
     return findMagicComment(content, "sourceMappingURL", commentType, deprecated);
 }
 
 } // namespace ContentSearchUtils
 } // namespace WebCore