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

net/base/escape.h

Index: net/base/escape.h
diff --git a/net/base/escape.h b/net/base/escape.h
index 321ca2f82c0f9c8f9490b95019b9b116fbcbbf21..0d17b48012b14110728a2e925e66a868f028eb8c 100644
--- a/net/base/escape.h
+++ b/net/base/escape.h
@@ -122,6 +122,8 @@ NET_EXPORT string16 UnescapeAndDecodeUTF8URLComponentWithOffsets(
 // < > & " '
 NET_EXPORT string16 UnescapeForHTML(const string16& text);
 
+namespace net {
+
 // Deprecated ------------------------------------------------------------------
 
 // Escapes characters in text suitable for use as a query parameter value.
@@ -137,8 +139,6 @@ NET_EXPORT bool EscapeQueryParamValue(const string16& text,
                                       bool use_plus,
                                       string16* escaped);
 
-namespace net {
-
 // A specialized version of EscapeQueryParamValue for string16s that
 // assumes the codepage is UTF8.  This is provided as a convenience.
 NET_EXPORT string16 EscapeQueryParamValueUTF8(const string16& text,