Fix webkit_unit_tests to use the threaded parser and enable everywhere.

Source/web/tests/WebPageNewSerializerTest.cpp

Index: Source/web/tests/WebPageNewSerializerTest.cpp
diff --git a/Source/web/tests/WebPageNewSerializerTest.cpp b/Source/web/tests/WebPageNewSerializerTest.cpp
index 6b9488c73b5cc89ceaaeac908b74b34823991651..401d4ba6cbf19d84a593967948dcf663cce8561d 100644
--- a/Source/web/tests/WebPageNewSerializerTest.cpp
+++ b/Source/web/tests/WebPageNewSerializerTest.cpp
@@ -159,16 +159,7 @@ protected:
 
     void loadURLInTopFrame(const WebURL& url)
     {
-        WebURLRequest urlRequest;
-        urlRequest.initialize();
-        urlRequest.setURL(url);
-        m_helper.webView()->mainFrame()->loadRequest(urlRequest);
-        // Make sure any pending request get served.
-        Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
-        // Some requests get delayed, run the timer.
-        runPendingTasks();
-        // Server the delayed resources.
-        Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
+        FrameTestHelpers::loadFrame(m_helper.webView()->mainFrame(), url.string().utf8());
     }
 
     const WebString& htmlMimeType() const { return m_htmlMimeType; }
@@ -219,12 +210,6 @@ TEST_F(WebPageNewSerializeTest, PageWithFrames)
     registerMockedURLLoad(toKURL("http://www.test.com/blue_background.png"), WebString::fromUTF8("blue_background.png"), WebString::fromUTF8("pageserializer/"), pngMimeType());
 
     loadURLInTopFrame(topFrameURL);
-    // OBJECT/EMBED have some delay to start to load their content. The first
-    // serveAsynchronousMockedRequests call in loadURLInTopFrame() finishes
-    // before the start.
-    RefPtrWillBeRawPtr<Document> document = static_cast<PassRefPtrWillBeRawPtr<Document> >(webView()->mainFrame()->document());
-    document->updateLayoutIgnorePendingStylesheets(Document::RunPostLayoutTasksSynchronously);
-    Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
 
     WebVector<WebPageSerializer::Resource> resources;
     WebPageSerializer::serialize(webView(), &resources);
@@ -446,13 +431,6 @@ TEST_F(WebPageNewSerializeTest, SubFrameSerialization)
 
     loadURLInTopFrame(pageUrl);
 
-    // OBJECT/EMBED have some delay to start to load their content. The first
-    // serveAsynchronousMockedRequests call in loadURLInTopFrame() finishes
-    // before the start.
-    RefPtrWillBeRawPtr<Document> document = static_cast<PassRefPtrWillBeRawPtr<Document> >(webView()->mainFrame()->document());
-    document->updateLayoutIgnorePendingStylesheets(Document::RunPostLayoutTasksSynchronously);
-    Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
-
     WebVector<WebURL> localLinks(static_cast<size_t>(2));
     WebVector<WebString> localPaths(static_cast<size_t>(2));
     localLinks[0] = pageUrl;