Reduce string copies in GURL creation

content/child/notifications/notification_manager.cc

 // Copyright 2014 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 "content/child/notifications/notification_manager.h"
 
 #include <cmath>
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_local.h"
 #include "content/child/notifications/notification_data_conversions.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/service_worker/web_service_worker_registration_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/common/notification_constants.h"
 #include "content/public/common/platform_notification_data.h"
+#include "third_party/WebKit/public/platform/URLConversion.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 using blink::WebNotificationPermission;
 
 namespace content {
 namespace {
 
 int CurrentWorkerId() {
@@ skipping 144 matching lines @@
   NOTREACHED();
 }
 
 void NotificationManager::closePersistent(
     const blink::WebSecurityOrigin& origin,
     int64_t persistent_notification_id) {
   thread_safe_sender_->Send(new PlatformNotificationHostMsg_ClosePersistent(
       // TODO(mkwst): This is potentially doing the wrong thing with unique
       // origins. Perhaps also 'file:', 'blob:' and 'filesystem:'. See
       // https://crbug.com/490074 for detail.
-      GURL(origin.toString()), persistent_notification_id));
+      blink::WebStringToGURL(origin.toString()), persistent_notification_id));
 }
 
 void NotificationManager::notifyDelegateDestroyed(
     blink::WebNotificationDelegate* delegate) {
   if (pending_notifications_.CancelPageNotificationFetches(delegate))
     return;
 
   for (auto& iter : active_page_notifications_) {
     if (iter.second != delegate)
       continue;
 
     active_page_notifications_.erase(iter.first);
     return;
   }
 }
 
 WebNotificationPermission NotificationManager::checkPermission(
     const blink::WebSecurityOrigin& origin) {
   WebNotificationPermission permission =
       blink::WebNotificationPermissionAllowed;
   // TODO(mkwst): This is potentially doing the wrong thing with unique
   // origins. Perhaps also 'file:', 'blob:' and 'filesystem:'. See
   // https://crbug.com/490074 for detail.
   thread_safe_sender_->Send(new PlatformNotificationHostMsg_CheckPermission(
-      GURL(origin.toString()), &permission));
+      blink::WebStringToGURL(origin.toString()), &permission));
 
   return permission;
 }
 
 size_t NotificationManager::maxActions() {
   return kPlatformNotificationMaxActions;
 }
 
 bool NotificationManager::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
@@ skipping 84 matching lines @@
     blink::WebNotificationDelegate* delegate,
     const SkBitmap& icon) {
   int notification_id =
       notification_dispatcher_->GenerateNotificationId(CurrentWorkerId());
 
   active_page_notifications_[notification_id] = delegate;
   // TODO(mkwst): This is potentially doing the wrong thing with unique
   // origins. Perhaps also 'file:', 'blob:' and 'filesystem:'. See
   // https://crbug.com/490074 for detail.
   thread_safe_sender_->Send(new PlatformNotificationHostMsg_Show(
-      notification_id, GURL(origin.toString()), icon,
+      notification_id, blink::WebStringToGURL(origin.toString()), icon,
       ToPlatformNotificationData(notification_data)));
 }
 
 void NotificationManager::DisplayPersistentNotification(
     const blink::WebSecurityOrigin& origin,
     const blink::WebNotificationData& notification_data,
     int64_t service_worker_registration_id,
     scoped_ptr<blink::WebNotificationShowCallbacks> callbacks,
     const SkBitmap& icon) {
   // TODO(peter): GenerateNotificationId is more of a request id. Consider
   // renaming the method in the NotificationDispatcher if this makes sense.
   int request_id =
       notification_dispatcher_->GenerateNotificationId(CurrentWorkerId());
 
   pending_show_notification_requests_.AddWithID(callbacks.release(),
                                                 request_id);
 
   // TODO(mkwst): This is potentially doing the wrong thing with unique
   // origins. Perhaps also 'file:', 'blob:' and 'filesystem:'. See
   // https://crbug.com/490074 for detail.
   thread_safe_sender_->Send(new PlatformNotificationHostMsg_ShowPersistent(
-      request_id, service_worker_registration_id, GURL(origin.toString()), icon,
+      request_id, service_worker_registration_id,
+      blink::WebStringToGURL(origin.toString()), icon,
       ToPlatformNotificationData(notification_data)));
 }
 
 }  // namespace content