Oilpan: move LiveNodeList collections to the heap.

Source/web/tests/TouchActionTest.cpp

 /*
  * Copyright (C) 2013 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 129 matching lines @@
 }
 
 void TouchActionTest::runShadowDOMTest(std::string file)
 {
     TouchActionTrackingWebViewClient client;
 
     WebView* webView = setupTest(file, client);
 
     WebCore::TrackExceptionState es;
     RefPtrWillBeRawPtr<WebCore::Document> document = static_cast<PassRefPtrWillBeRawPtr<WebCore::Document> >(webView->mainFrame()->document());
-    RefPtr<WebCore::NodeList> hostNodes = document->querySelectorAll("[shadow-host]", es);
+    RefPtrWillBeRawPtr<WebCore::NodeList> hostNodes = document->querySelectorAll("[shadow-host]", es);
     ASSERT_FALSE(es.hadException());
     ASSERT_GE(hostNodes->length(), 1u);
 
     for (unsigned index = 0; index < hostNodes->length(); index++) {
         WebCore::ShadowRoot* shadowRoot = WebCore::toElement(hostNodes->item(index))->shadowRoot();
         runTestOnTree(shadowRoot, webView, client);
     }
 
     // Projections show up in the main document.
     runTestOnTree(document.get(), webView, client);
@@ skipping 18 matching lines @@
     RefPtrWillBeRawPtr<WebCore::Document> document = static_cast<PassRefPtrWillBeRawPtr<WebCore::Document> >(webView->mainFrame()->document());
     document->frame()->view()->setScrollOffset(WebCore::IntPoint(0, kScrollOffset));
 
     return webView;
 }
 
 void TouchActionTest::runTestOnTree(WebCore::ContainerNode* root, WebView* webView, TouchActionTrackingWebViewClient& client)
 {
     // Find all elements to test the touch-action of in the document.
     WebCore::TrackExceptionState es;
-    RefPtr<WebCore::NodeList> nodes = root->querySelectorAll("[expected-action]", es);
+    RefPtrWillBeRawPtr<WebCore::NodeList> nodes = root->querySelectorAll("[expected-action]", es);
     ASSERT_FALSE(es.hadException());
 
     for (unsigned index = 0; index < nodes->length(); index++) {
+        // FIXME: Oilpan: this is a longer running test that allocates. If the
+        // PendingGCRunner task is run, it GCs assuming no pointers on the stack.
+        // But there are here; explicitly GCing each time around this loop isn't
+        // addressing that problem completely.
+        WebCore::Heap::collectGarbage(WebCore::ThreadState::HeapPointersOnStack);
+
         WebCore::Element* element = toElement(nodes->item(index));
         element->scrollIntoViewIfNeeded();
         ASSERT_TRUE(nodes->item(index)->isElementNode());
 
         std::string failureContext("Test case: ");
         if (element->hasID()) {
             failureContext.append(element->getIdAttribute().ascii().data());
         } else if (element->firstChild()) {
             failureContext.append("\"");
             failureContext.append(element->firstChild()->textContent(false).stripWhiteSpace().ascii().data());
@@ skipping 126 matching lines @@
 {
     runShadowDOMTest("touch-action-shadow-dom.html");
 }
 
 TEST_F(TouchActionTest, Pan)
 {
     runTouchActionTest("touch-action-pan.html");
 }
 
 }