Revert of [blink] Unique pointers in Platform.h

content/test/test_blink_web_unit_test_support.h

 // 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.
 
 #ifndef CONTENT_TEST_TEST_BLINK_WEB_UNIT_TEST_SUPPORT_H_
 #define CONTENT_TEST_TEST_BLINK_WEB_UNIT_TEST_SUPPORT_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
@@ skipping 37 matching lines @@
   blink::WebString QueryLocalizedString(blink::WebLocalizedString::Name name,
                                         const blink::WebString& value) override;
   blink::WebString QueryLocalizedString(
       blink::WebLocalizedString::Name name,
       const blink::WebString& value1,
       const blink::WebString& value2) override;
   blink::WebString DefaultLocale() override;
 
   blink::WebCompositorSupport* CompositorSupport() override;
 
-  std::unique_ptr<blink::WebGestureCurve> CreateFlingAnimationCurve(
+  blink::WebGestureCurve* CreateFlingAnimationCurve(
       blink::WebGestureDevice device_source,
       const blink::WebFloatPoint& velocity,
       const blink::WebSize& cumulative_scroll) override;
 
   blink::WebURLLoaderMockFactory* GetURLLoaderMockFactory() override;
 
   blink::WebThread* CurrentThread() override;
 
   std::unique_ptr<cc::SharedBitmap> AllocateSharedBitmap(
       const blink::WebSize& size) override;
 
   void GetPluginList(bool refresh,
                      const blink::WebSecurityOrigin& mainFrameOrigin,
                      blink::WebPluginListBuilder* builder) override;
 
-  std::unique_ptr<blink::WebRTCCertificateGenerator>
-  CreateRTCCertificateGenerator() override;
+  blink::WebRTCCertificateGenerator* CreateRTCCertificateGenerator() override;
 
  private:
   MockWebBlobRegistryImpl blob_registry_;
   std::unique_ptr<MockWebClipboardImpl> mock_clipboard_;
   WebFileUtilitiesImpl file_utilities_;
   base::ScopedTempDir file_system_root_;
   std::unique_ptr<blink::WebURLLoaderMockFactory> url_loader_factory_;
   cc_blink::WebCompositorSupportImpl compositor_support_;
   std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler_;
   std::unique_ptr<blink::WebThread> web_thread_;
   std::unique_ptr<cc::TestSharedBitmapManager> shared_bitmap_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(TestBlinkWebUnitTestSupport);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_BLINK_WEB_UNIT_TEST_SUPPORT_H_