Use unique_ptr for Platform::CreateURLLoader

third_party/WebKit/public/platform/Platform.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 35 matching lines @@
 #include "WebGestureDevice.h"
 #include "WebLocalizedString.h"
 #include "WebMessagePortChannel.h"
 #include "WebPlatformEventType.h"
 #include "WebSize.h"
 #include "WebSpeechSynthesizer.h"
 #include "WebStorageQuotaCallbacks.h"
 #include "WebStorageQuotaType.h"
 #include "WebString.h"
 #include "WebURLError.h"
+#include "WebURLLoader.h"
 #include "WebVector.h"
 #include "base/metrics/user_metrics_action.h"
 #include "cc/resources/shared_bitmap.h"
 #include "cc/surfaces/frame_sink_id.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
 namespace device {
 class Gamepads;
 }
 
@@ skipping 54 matching lines @@
 class WebSecurityOrigin;
 class WebServiceWorkerCacheStorage;
 class WebSpeechSynthesizer;
 class WebSpeechSynthesizerClient;
 class WebStorageNamespace;
 class WebSyncProvider;
 struct WebFloatPoint;
 class WebThemeEngine;
 class WebThread;
 class WebTrialTokenValidator;
-class WebURLLoader;
 class WebURLLoaderMockFactory;
 class WebURLResponse;
 class WebURLResponse;
 struct WebSize;
 
 class BLINK_PLATFORM_EXPORT Platform {
  public:
 // HTML5 Database ------------------------------------------------------
 
 #ifdef WIN32
@@ skipping 186 matching lines @@
   virtual void CreateMessageChannel(
       std::unique_ptr<WebMessagePortChannel>* channel1,
       std::unique_ptr<WebMessagePortChannel>* channel2) {
     *channel1 = nullptr;
     *channel2 = nullptr;
   }
 
   // Network -------------------------------------------------------------
 
   // Returns a new WebURLLoader instance.
-  virtual WebURLLoader* CreateURLLoader() { return nullptr; }
+  virtual std::unique_ptr<WebURLLoader> CreateURLLoader() { return nullptr; }
 
   // May return null.
   virtual WebPrescientNetworking* PrescientNetworking() { return nullptr; }
 
   // Returns the User-Agent string.
   virtual WebString UserAgent() { return WebString(); }
 
   // A suggestion to cache this metadata in association with this URL.
   virtual void CacheMetadata(const WebURL&,
                              int64_t response_time,
@@ skipping 369 matching lines @@
  protected:
   Platform();
   virtual ~Platform() {}
 
   WebThread* main_thread_;
 };
 
 }  // namespace blink
 
 #endif