Move some content url constants to /url.

chrome/common/net/url_fixer_upper.cc

Index: chrome/common/net/url_fixer_upper.cc
diff --git a/chrome/common/net/url_fixer_upper.cc b/chrome/common/net/url_fixer_upper.cc
index 37b4d68927ee8d663666f3bd550cac9d94b79013..244754cb862a9306521b6917f1d67acda4caff43 100644
--- a/chrome/common/net/url_fixer_upper.cc
+++ b/chrome/common/net/url_fixer_upper.cc
@@ -18,6 +18,7 @@
 #include "net/base/filename_util.h"
 #include "net/base/net_util.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
+#include "net/base/url_constants.h"
 #include "url/url_file.h"
 #include "url/url_parse.h"
 #include "url/url_util.h"
@@ -423,8 +424,8 @@ std::string SegmentURLInternal(std::string* text, url_parse::Parsed* parts) {
     if (!found_scheme) {
       // Couldn't determine the scheme, so just pick one.
       parts->scheme.reset();
-      scheme = StartsWithASCII(*text, "ftp.", false) ?
-          content::kFtpScheme : content::kHttpScheme;
+      scheme = StartsWithASCII(*text, "ftp.", false) ? content::kFtpScheme
+                                                     : net::kHttpScheme;
     }
   }