net: Put more functions from escape.h into net namespace.

net/base/escape_icu.cc

 // Copyright (c) 2011 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 <algorithm>
-
 #include "net/base/escape.h"
 
 #include "base/i18n/icu_string_conversions.h"
 #include "base/utf_string_conversions.h"
 
 // This file exists to avoid having escape.cc depend on ICU.
 
-bool EscapeQueryParamValue(const string16& text, const char* codepage,
-                           bool use_plus, string16* escaped) {
+namespace net {
+
+bool EscapeQueryParamValue(const string16& text,
+                           const char* codepage,
+                           bool use_plus,
+                           string16* escaped) {
   // TODO(brettw) bug 1201094: this function should be removed, this "SKIP"
   // behavior is wrong when the character can't be encoded properly.
   std::string encoded;
   if (!base::UTF16ToCodepage(text, codepage,
                              base::OnStringConversionError::SKIP, &encoded))
     return false;
 
   escaped->assign(UTF8ToUTF16(EscapeQueryParamValue(encoded, use_plus)));
   return true;
 }
+
+}  // namespace net