Use unique_ptr for Platform::CreateURLLoader

third_party/WebKit/Source/platform/testing/weburl_loader_mock_factory_impl.h

 // Copyright 2016 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 WebURLLoaderMockFactoryImpl_h
 #define WebURLLoaderMockFactoryImpl_h
 
 #include <map>
 
 #include "base/files/file_path.h"
@@ skipping 18 matching lines @@
 
 // A factory that creates WebURLLoaderMock to simulate resource loading in
 // tests. Since there are restriction and rules to follow, please read comments
 // in WebURLLoaderMockFactory carefully to use this class correctly.
 class WebURLLoaderMockFactoryImpl : public WebURLLoaderMockFactory {
  public:
   WebURLLoaderMockFactoryImpl(TestingPlatformSupport*);
   ~WebURLLoaderMockFactoryImpl() override;
 
   // WebURLLoaderMockFactory:
-  WebURLLoader* CreateURLLoader(WebURLLoader* default_loader) override;
+  std::unique_ptr<WebURLLoader> CreateURLLoader(
+      std::unique_ptr<WebURLLoader> default_loader) override;
   void RegisterURL(const WebURL& url,
                    const WebURLResponse& response,
                    const WebString& file_path = WebString()) override;
   void RegisterErrorURL(const WebURL& url,
                         const WebURLResponse& response,
                         const WebURLError& error) override;
   void UnregisterURL(const WebURL& url) override;
   void UnregisterAllURLsAndClearMemoryCache() override;
   void ServeAsynchronousRequests() override;
   void SetLoaderDelegate(WebURLLoaderTestDelegate* delegate) override {
@@ skipping 51 matching lines @@
   URLToResponseMap url_to_response_info_;
 
   TestingPlatformSupport* platform_;
 
   DISALLOW_COPY_AND_ASSIGN(WebURLLoaderMockFactoryImpl);
 };
 
 }  // namespace blink
 
 #endif  // WebURLLoaderMockFactoryImpl_h