net: Move UnescapeRule into the net namespace.

chrome/browser/history/in_memory_url_index.cc

Index: chrome/browser/history/in_memory_url_index.cc
diff --git a/chrome/browser/history/in_memory_url_index.cc b/chrome/browser/history/in_memory_url_index.cc
index b92a062f765f0ba1362ce1a8b6fa3368fc50a60f..3dbbb796257dab1c6376ce01d427fa764af1227c 100644
--- a/chrome/browser/history/in_memory_url_index.cc
+++ b/chrome/browser/history/in_memory_url_index.cc
@@ -171,7 +171,7 @@ void InMemoryURLIndex::IndexRow(const URLRow& row) {
   // Strip out username and password before saving and indexing.
   string16 url(net::FormatUrl(gurl, languages_,
       net::kFormatUrlOmitUsernamePassword,
-      UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS,
+      net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS,
       NULL, NULL, NULL));
 
   HistoryID history_id = static_cast<HistoryID>(row_id);
@@ -196,7 +196,7 @@ void InMemoryURLIndex::AddRowWordsToIndex(const URLRow& row) {
   const GURL& gurl(row.url());
   string16 url(net::FormatUrl(gurl, languages_,
       net::kFormatUrlOmitUsernamePassword,
-      UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS,
+      net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS,
       NULL, NULL, NULL));
   url = base::i18n::ToLower(url);
   String16Set url_words = String16SetFromString16(url);