Reduce string copies in GURL creation

chrome/renderer/worker_content_settings_client_proxy.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/worker_content_settings_client_proxy.h"
 
 #include "chrome/common/render_messages.h"
 #include "components/content_settings/content/common/content_settings_messages.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "ipc/ipc_sync_message_filter.h"
+#include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 
 WorkerContentSettingsClientProxy::WorkerContentSettingsClientProxy(
     content::RenderFrame* render_frame,
     blink::WebFrame* frame)
     : routing_id_(render_frame->GetRoutingID()),
       is_unique_origin_(false) {
   if (frame->document().securityOrigin().isUnique() ||
       frame->top()->securityOrigin().isUnique())
     is_unique_origin_ = true;
   sync_message_filter_ = content::RenderThread::Get()->GetSyncMessageFilter();
-  document_origin_url_ = GURL(frame->document().securityOrigin().toString());
-  top_frame_origin_url_ = GURL(frame->top()->securityOrigin().toString());
+  document_origin_url_ =
+      blink::WebStringToGURL(frame->document().securityOrigin().toString());
+  top_frame_origin_url_ =
+      blink::WebStringToGURL(frame->top()->securityOrigin().toString());
 }
 
 WorkerContentSettingsClientProxy::~WorkerContentSettingsClientProxy() {}
 
 bool WorkerContentSettingsClientProxy::allowDatabase(
     const blink::WebString& name,
     const blink::WebString& display_name,
     unsigned long estimated_size) {
   if (is_unique_origin_)
     return false;
@@ skipping 18 matching lines @@
 bool WorkerContentSettingsClientProxy::allowIndexedDB(
     const blink::WebString& name) {
   if (is_unique_origin_)
     return false;
 
   bool result = false;
   sync_message_filter_->Send(new ChromeViewHostMsg_AllowIndexedDB(
       routing_id_, document_origin_url_, top_frame_origin_url_, name, &result));
   return result;
 }