Oilpan: Prepare to support garbage-collected Node in WebNode hierarchy.

Source/web/tests/WebPageSerializerTest.cpp

 /*
  * Copyright (C) 2011 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 145 matching lines @@
     // If we don't register a mocked resource for awesome.png, it causes the
     // document loader of the iframe that has it as its src to assert on close,
     // not sure why.
     registerMockedURLLoad("http://www.test.com/awesome.png",
                           WebString::fromUTF8("awesome.png"));
 
     loadURLInTopFrame(topFrameURL);
     // OBJECT/EMBED have some delay to start to load their content. The first
     // serveAsynchronousMockedRequests call in loadURLInTopFrame() finishes
     // before the start.
-    RefPtr<Document> document = static_cast<PassRefPtr<Document> >(webView()->mainFrame()->document());
+    RefPtrWillBeRawPtr<Document> document = static_cast<PassRefPtrWillBeRawPtr<Document> >(webView()->mainFrame()->document());
     document->updateLayoutIgnorePendingStylesheets(Document::RunPostLayoutTasksSynchronously);
     Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
 
     // Retrieve all resources.
     WebVector<WebURL> frames;
     WebVector<WebURL> resources;
     ASSERT_TRUE(WebPageSerializer::retrieveAllResources(
         webView(), m_supportedSchemes, &resources, &frames));
 
     // Tests that all resources from the frame have been retrieved.
     EXPECT_EQ(4U, frames.size()); // There should be no duplicates.
     EXPECT_TRUE(webVectorContains(frames, "http://www.test.com"));
     EXPECT_TRUE(webVectorContains(frames, "http://www.test.com/simple_iframe.html"));
     EXPECT_TRUE(webVectorContains(frames, "http://www.test.com/object_iframe.html"));
     EXPECT_TRUE(webVectorContains(frames, "http://www.test.com/embed_iframe.html"));
 
     EXPECT_EQ(5U, resources.size()); // There should be no duplicates.
     EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/awesome.png"));
     EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/innerFrame.png"));
     EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/flash.swf"));
     // FIXME: for some reason the following resources is missing on one of the bot
     //        causing the test to fail. Probably a plugin issue.
     // EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/music.mid"));
     EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/object.png"));
     EXPECT_TRUE(webVectorContains(resources, "http://www.test.com/embed.png"));
 }
 
 }