Use unique_ptr for Platform::CreateURLLoader

content/renderer/renderer_blink_platform_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 216 matching lines @@
   static void SetMockDeviceMotionDataForTesting(const device::MotionData& data);
   // Set OrientationData to return when setDeviceOrientationListener
   // is invoked.
   static void SetMockDeviceOrientationDataForTesting(
       const device::OrientationData& data);
 
   WebDatabaseObserverImpl* web_database_observer_impl() {
     return web_database_observer_impl_.get();
   }
 
-  blink::WebURLLoader* CreateURLLoader() override;
+  std::unique_ptr<blink::WebURLLoader> CreateURLLoader() override;
 
   void RequestPurgeMemory() override;
 
  private:
   bool CheckPreparsedJsCachingEnabled() const;
 
   // Factory that takes a type and return PlatformEventObserverBase that matches
   // it.
   static std::unique_ptr<PlatformEventObserverBase>
   CreatePlatformEventObserverFromType(blink::WebPlatformEventType type);
@@ skipping 59 matching lines @@
 
   // Only used when network service is enabled.
   mojom::URLLoaderFactoryPtr network_service_url_loader_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererBlinkPlatformImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_