Move some content url constants to /url.

chrome/renderer/extensions/chrome_extension_helper.cc

Index: chrome/renderer/extensions/chrome_extension_helper.cc
diff --git a/chrome/renderer/extensions/chrome_extension_helper.cc b/chrome/renderer/extensions/chrome_extension_helper.cc
index 05ffc18b731ec5bdbeae15fde5f0cfd9952102ca..17747e3a7d30e1d9bed9fc24fb84487ca4f11a87 100644
--- a/chrome/renderer/extensions/chrome_extension_helper.cc
+++ b/chrome/renderer/extensions/chrome_extension_helper.cc
@@ -47,7 +47,7 @@ void ChromeExtensionHelper::OnGetApplicationInfo(int page_id) {
   // to decode arbitrary data URLs in the browser process.  See
   // http://b/issue?id=1162972
   for (size_t i = 0; i < app_info.icons.size(); ++i) {
-    if (app_info.icons[i].url.SchemeIs(content::kDataScheme)) {
+    if (app_info.icons[i].url.SchemeIs(url::kDataScheme)) {
       app_info.icons.erase(app_info.icons.begin() + i);
       --i;
     }