Move some content url constants to /url.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index a3cd5bc17f140853c99fd8bd8215544b9de801cf..442b9b753ce96c07d780e1d447e734ff50d91ceb 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -70,6 +70,7 @@
 #include "net/base/data_url.h"
 #include "net/base/net_errors.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
+#include "net/base/url_constants.h"
 #include "net/http/http_util.h"
 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 #include "third_party/WebKit/public/platform/WebString.h"
@@ -275,7 +276,7 @@ static bool IsNonLocalTopLevelNavigation(const GURL& url,
   // 2. The origin of the url and the opener is the same in which case the
   //    opener relationship is maintained.
   // 3. Reloads/form submits/back forward navigations
-  if (!url.SchemeIs(kHttpScheme) && !url.SchemeIs(kHttpsScheme))
+  if (!url.SchemeIs(net::kHttpScheme) && !url.SchemeIs(net::kHttpsScheme))
     return false;
 
   if (type != blink::WebNavigationTypeReload &&