Move some content url constants to /url.

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 6173ac39e090753d91f0d0b582eaa0183464915a..c5e26517dcc143d263b709d664811fc96557002d 100644
--- a/chrome/browser/history/in_memory_url_index.cc
+++ b/chrome/browser/history/in_memory_url_index.cc
@@ -21,6 +21,7 @@
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
+#include "net/base/url_constants.h"
 
 using in_memory_url_index::InMemoryURLIndexCacheItem;
 
@@ -42,8 +43,8 @@ void InitializeSchemeWhitelist(std::set<std::string>* whitelist) {
   whitelist->insert(std::string(content::kChromeUIScheme));
   whitelist->insert(std::string(content::kFileScheme));
   whitelist->insert(std::string(content::kFtpScheme));
-  whitelist->insert(std::string(content::kHttpScheme));
-  whitelist->insert(std::string(content::kHttpsScheme));
+  whitelist->insert(std::string(net::kHttpScheme));
+  whitelist->insert(std::string(net::kHttpsScheme));
   whitelist->insert(std::string(content::kMailToScheme));
 }