Make sure the root node of selector queries is a ContainerNode

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 103 matching lines @@
     virtual void TearDown()
     {
         Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
     }
 
 protected:
     void runTouchActionTest(std::string file);
     void runShadowDOMTest(std::string file);
     void sendTouchEvent(WebView*, WebInputEvent::Type, WebCore::IntPoint clientPoint);
     WebView* setupTest(std::string file, TouchActionTrackingWebViewClient&);
-    void runTestOnTree(WebCore::Node* root, WebView*, TouchActionTrackingWebViewClient&);
+    void runTestOnTree(WebCore::ContainerNode* root, WebView*, TouchActionTrackingWebViewClient&);
 
     std::string m_baseURL;
     FrameTestHelpers::WebViewHelper m_webViewHelper;
 };
 
 void TouchActionTest::runTouchActionTest(std::string file)
 {
     TouchActionTrackingWebViewClient client;
 
     WebView* webView = setupTest(file, client);
@@ skipping 33 matching lines @@
     webView->resize(WebSize(700, 1000));
 
     // Scroll to verify the code properly transforms windows to client co-ords.
     const int kScrollOffset = 100;
     RefPtr<WebCore::Document> document = static_cast<PassRefPtr<WebCore::Document> >(webView->mainFrame()->document());
     document->frame()->view()->setScrollOffset(WebCore::IntPoint(0, kScrollOffset));
 
     return webView;
 }
 
-void TouchActionTest::runTestOnTree(WebCore::Node* root, WebView* webView, TouchActionTrackingWebViewClient& client)
+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);
     ASSERT_FALSE(es.hadException());
 
     for (unsigned index = 0; index < nodes->length(); index++) {
         WebCore::Element* element = toElement(nodes->item(index));
         element->scrollIntoViewIfNeeded();
         ASSERT_TRUE(nodes->item(index)->isElementNode());
@@ skipping 129 matching lines @@
 {
     runShadowDOMTest("touch-action-shadow-dom.html");
 }
 
 TEST_F(TouchActionTest, Pan)
 {
     runTouchActionTest("touch-action-pan.html");
 }
 
 }