Move some content url constants to /url.

chrome/browser/search/search.cc

Index: chrome/browser/search/search.cc
diff --git a/chrome/browser/search/search.cc b/chrome/browser/search/search.cc
index 5d665dcd012db1342d578ce9c5dceb6c85be85de..e0774bc24b984e3729db2fc281e126ab052743a4 100644
--- a/chrome/browser/search/search.cc
+++ b/chrome/browser/search/search.cc
@@ -34,6 +34,7 @@
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "url/url_constants.h"
 
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/managed_mode/managed_mode_url_filter.h"
@@ -520,7 +521,7 @@ GURL GetInstantURL(Profile* profile, int start_margin,
   if (!instant_url.SchemeIsSecure() &&
       !google_util::StartsWithCommandLineGoogleBaseURL(instant_url)) {
     GURL::Replacements replacements;
-    const std::string secure_scheme(content::kHttpsScheme);
+    const std::string secure_scheme(url::kHttpsScheme);
     replacements.SetSchemeStr(secure_scheme);
     instant_url = instant_url.ReplaceComponents(replacements);
   }