Move some content url constants to /url.

chrome/browser/ui/search_engines/search_engine_tab_helper.cc

Index: chrome/browser/ui/search_engines/search_engine_tab_helper.cc
diff --git a/chrome/browser/ui/search_engines/search_engine_tab_helper.cc b/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
index 7ebda485ad15dabd61e25fce9c850aa16a4cd25a..2be316b637e68701e9b36a1de440af172c693bfd 100644
--- a/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
+++ b/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
@@ -18,6 +18,7 @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "net/base/url_constants.h"
 
 using content::NavigationController;
 using content::NavigationEntry;
@@ -55,7 +56,7 @@ base::string16 GenerateKeywordFromNavigationEntry(
   // If we relax the path constraint, we need to be sure to sanitize the path
   // elements and update AutocompletePopup to look for keywords using the path.
   // See http://b/issue?id=863583.
-  if (!url.SchemeIs(content::kHttpScheme) || (url.path().length() > 1))
+  if (!url.SchemeIs(net::kHttpScheme) || (url.path().length() > 1))
     return base::string16();
 
   return TemplateURLService::GenerateKeyword(url);