Convert WebSecurityOrigin -> GURL without re-parsing the url

content/renderer/dom_storage/local_storage_namespace.cc

Index: content/renderer/dom_storage/local_storage_namespace.cc
diff --git a/content/renderer/dom_storage/local_storage_namespace.cc b/content/renderer/dom_storage/local_storage_namespace.cc
index 7ccb8bf9c5a746fc30ecc31d907602704f60c84f..3579c72224d21a77977f4aa2f5853d7c75a32b1d 100644
--- a/content/renderer/dom_storage/local_storage_namespace.cc
+++ b/content/renderer/dom_storage/local_storage_namespace.cc
@@ -13,7 +13,6 @@
 
 using blink::WebStorageArea;
 using blink::WebStorageNamespace;
-using blink::WebString;
 
 namespace content {
 
@@ -26,9 +25,9 @@ LocalStorageNamespace::~LocalStorageNamespace() {
 }
 
 WebStorageArea* LocalStorageNamespace::createStorageArea(
-    const WebString& origin) {
-  return new LocalStorageArea(local_storage_cached_areas_->GetCachedArea(
-      url::Origin(blink::WebStringToGURL(origin))));
+    const blink::WebSecurityOrigin& origin) {
+  return new LocalStorageArea(
+      local_storage_cached_areas_->GetCachedArea(origin));
 }
 
 bool LocalStorageNamespace::isSameNamespace(