Oilpan: correctly track MediaControlsTest's MediaControls reference.

third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/html/shadow/MediaControls.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/testing/DummyPageHolder.h"
+#include "platform/heap/Handle.h"
 #include <gtest/gtest.h>
 
 namespace blink {
 
 namespace {
 
 Element* getElementByShadowPseudoId(Node& rootNode, const char* shadowPseudoId)
 {
     for (Element& element : ElementTraversal::descendantsOf(rootNode)) {
         if (element.fastGetAttribute(HTMLNames::pseudoAttr) == shadowPseudoId)
@@ skipping 35 matching lines @@
         Document& document = m_pageHolder->document();
         document.write("<video controls>");
         HTMLVideoElement& video = toHTMLVideoElement(*document.querySelector("video", ASSERT_NO_EXCEPTION));
         m_mediaControls = video.mediaControls();
     }
 
     MediaControls& mediaControls() { return *m_mediaControls; }
 
 private:
     OwnPtr<DummyPageHolder> m_pageHolder;
-    MediaControls* m_mediaControls;
+    RawPtrWillBePersistent<MediaControls> m_mediaControls;

[haraken, 2015/11/14 07:08:23]

Nit: This could be RefPtrWillBePersistent.

 };
 
 TEST_F(MediaControlsTest, HideAndShow)
 {
     Element* panel = getElementByShadowPseudoId(mediaControls(), "-webkit-media-controls-panel");
     ASSERT_NE(nullptr, panel);
 
     ASSERT_TRUE(isElementVisible(*panel));
     mediaControls().hide();
     ASSERT_FALSE(isElementVisible(*panel));
@@ skipping 17 matching lines @@
     ASSERT_NE(nullptr, panel);
 
     ASSERT_TRUE(isElementVisible(*panel));
     mediaControls().hide();
     ASSERT_FALSE(isElementVisible(*panel));
     mediaControls().reset();
     ASSERT_FALSE(isElementVisible(*panel));
 }
 
 } // namespace blink