Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/csspaint/PaintWorkletTest.cpp

 // 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.
 
 #include "modules/csspaint/PaintWorklet.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/WorkerOrWorkletScriptController.h"
 #include "core/frame/LocalFrame.h"
 #include "core/testing/DummyPageHolder.h"
 #include "modules/csspaint/CSSPaintDefinition.h"
 #include "modules/csspaint/PaintWorkletGlobalScope.h"
 #include "modules/csspaint/WindowPaintWorklet.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
 
 namespace blink {
 
 namespace {
 
 static void clearHandle(const v8::WeakCallbackInfo<ScopedPersistent<v8::Function>>& data)
 {
     data.GetParameter()->clear();
 }
 
 } // namespace
 
 class PaintWorkletTest : public testing::Test {
 public:
     PaintWorkletTest()
         : m_page(DummyPageHolder::create())
     {
     }
 
     PaintWorklet* paintWorklet()
     {
         return WindowPaintWorklet::from(*m_page->frame().localDOMWindow()).paintWorklet(&m_page->document());
     }
 
 protected:
-    std::unique_ptr<DummyPageHolder> m_page;
+    OwnPtr<DummyPageHolder> m_page;
 };
 
 TEST_F(PaintWorkletTest, GarbageCollectionOfCSSPaintDefinition)
 {
     PaintWorkletGlobalScope* globalScope = paintWorklet()->workletGlobalScopeProxy();
     globalScope->scriptController()->evaluate(ScriptSourceCode("registerPaint('foo', class { paint() { } });"));
 
     CSSPaintDefinition* definition = globalScope->findDefinition("foo");
     ASSERT(definition);
 
@@ skipping 18 matching lines @@
     // Delete the page & associated objects.
     m_page.reset();
 
     // Run a GC, the persistent should have been collected.
     ThreadHeap::collectAllGarbage();
     V8GCController::collectAllGarbageForTesting(isolate);
     ASSERT(handle.isEmpty());
 }
 
 } // naespace blink