Revert "Remove OwnPtr from Blink."

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

 /*
  * Copyright (C) 2014 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 19 matching lines @@
 
 #ifndef TestingPlatformSupport_h
 #define TestingPlatformSupport_h
 
 #include "platform/PlatformExport.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebScheduler.h"
 #include "public/platform/WebThread.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 class TestingPlatformMockWebTaskRunner;
 class TestingPlatformMockWebThread;
 class WebCompositorSupport;
 class WebThread;
 
 class TestingCompositorSupport : public WebCompositorSupport {
 };
@@ skipping 17 matching lines @@
     void postNonNestableIdleTask(const WebTraceLocation&, WebThread::IdleTask*) override { }
     void postIdleTaskAfterWakeup(const WebTraceLocation&, WebThread::IdleTask*) override { }
     std::unique_ptr<WebViewScheduler> createWebViewScheduler(blink::WebView*) override { return nullptr; }
     void suspendTimerQueue() override { }
     void resumeTimerQueue() override { }
     void addPendingNavigation(WebScheduler::NavigatingFrameType) override { }
     void removePendingNavigation(WebScheduler::NavigatingFrameType) override { }
     void onNavigationStarted() override { }
 
 private:
-    WTF::Deque<std::unique_ptr<WebTaskRunner::Task>> m_tasks;
-    std::unique_ptr<TestingPlatformMockWebTaskRunner> m_mockWebTaskRunner;
+    WTF::Deque<OwnPtr<WebTaskRunner::Task>> m_tasks;
+    OwnPtr<TestingPlatformMockWebTaskRunner> m_mockWebTaskRunner;
 };
 
 class TestingPlatformSupport : public Platform {
     WTF_MAKE_NONCOPYABLE(TestingPlatformSupport);
 public:
     struct Config {
         WebCompositorSupport* compositorSupport = nullptr;
     };
 
     TestingPlatformSupport();
@@ skipping 16 matching lines @@
 public:
     TestingPlatformSupportWithMockScheduler();
     explicit TestingPlatformSupportWithMockScheduler(const Config&);
     ~TestingPlatformSupportWithMockScheduler() override;
 
     // Platform:
     WebThread* currentThread() override;
     TestingPlatformMockScheduler* mockWebScheduler();
 
 protected:
-    std::unique_ptr<TestingPlatformMockWebThread> m_mockWebThread;
+    OwnPtr<TestingPlatformMockWebThread> m_mockWebThread;
 };
 
 } // namespace blink
 
 #endif // TestingPlatformSupport_h