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

net/base/escape_icu.cc

Index: net/base/escape_icu.cc
diff --git a/net/base/escape_icu.cc b/net/base/escape_icu.cc
index bae93074cb260b8df68613f800a22a4b5d38f0c9..2962fbc99f4f07aaed8a734aaf9372562e0a4905 100644
--- a/net/base/escape_icu.cc
+++ b/net/base/escape_icu.cc
@@ -2,8 +2,6 @@
 // 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"
@@ -11,8 +9,12 @@
 
 // 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;
@@ -23,3 +25,5 @@ bool EscapeQueryParamValue(const string16& text, const char* codepage,
   escaped->assign(UTF8ToUTF16(EscapeQueryParamValue(encoded, use_plus)));
   return true;
 }
+
+}  // namespace net