Convert WebSecurityOrigin -> GURL without re-parsing the url

content/renderer/dom_storage/webstoragenamespace_impl.cc

Index: content/renderer/dom_storage/webstoragenamespace_impl.cc
diff --git a/content/renderer/dom_storage/webstoragenamespace_impl.cc b/content/renderer/dom_storage/webstoragenamespace_impl.cc
index e87a857d8f751904c95d4089425bd0910b2b0c3b..ae4f79e2f73349f5ad51dfa275cce32c16511822 100644
--- a/content/renderer/dom_storage/webstoragenamespace_impl.cc
+++ b/content/renderer/dom_storage/webstoragenamespace_impl.cc
@@ -8,12 +8,12 @@
 #include "content/common/dom_storage/dom_storage_types.h"
 #include "content/renderer/dom_storage/webstoragearea_impl.h"
 #include "third_party/WebKit/public/platform/URLConversion.h"
-#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "url/gurl.h"
+#include "url/origin.h"
 
 using blink::WebStorageArea;
 using blink::WebStorageNamespace;
-using blink::WebString;
 
 namespace content {
 
@@ -30,8 +30,8 @@ WebStorageNamespaceImpl::~WebStorageNamespaceImpl() {
 }
 
 WebStorageArea* WebStorageNamespaceImpl::createStorageArea(
-    const WebString& origin) {
-  return new WebStorageAreaImpl(namespace_id_, blink::WebStringToGURL(origin));
+    const blink::WebSecurityOrigin& origin) {
+  return new WebStorageAreaImpl(namespace_id_, url::Origin(origin).GetURL());
 }
 
 WebStorageNamespace* WebStorageNamespaceImpl::copy() {