Move some content url constants to /url.

content/browser/frame_host/navigation_controller_impl.cc

Index: content/browser/frame_host/navigation_controller_impl.cc
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index b1b3ef346e74d340497e5b9bd4a80b004688e812..12be054eb22502fe1f0c1e2d532ba0415a91d38a 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -38,6 +38,7 @@
 #include "net/base/escape.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
+#include "net/base/url_constants.h"
 #include "skia/ext/platform_canvas.h"
 
 namespace content {
@@ -654,8 +655,8 @@ void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
     case LOAD_TYPE_DEFAULT:
       break;
     case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
-      if (!params.url.SchemeIs(kHttpScheme) &&
-          !params.url.SchemeIs(kHttpsScheme)) {
+      if (!params.url.SchemeIs(net::kHttpScheme) &&
+          !params.url.SchemeIs(net::kHttpsScheme)) {
         NOTREACHED() << "Http post load must use http(s) scheme.";
         return;
       }