Fix webkit_unit_tests to use the threaded parser and enable everywhere.

Source/web/tests/PinchViewportTest.cpp

Index: Source/web/tests/PinchViewportTest.cpp
diff --git a/Source/web/tests/PinchViewportTest.cpp b/Source/web/tests/PinchViewportTest.cpp
index 1558189c45f76218f83d38ab29b4df61c2e26e31..ffda5797c89adee273ca35f405715e8b0bc2b491 100644
--- a/Source/web/tests/PinchViewportTest.cpp
+++ b/Source/web/tests/PinchViewportTest.cpp
@@ -52,7 +52,6 @@
 
 using namespace WebCore;
 using namespace blink;
-using blink::FrameTestHelpers::runPendingTasks;
 
 namespace {
 
@@ -83,7 +82,6 @@ public:
     void navigateTo(const std::string& url)
     {
         FrameTestHelpers::loadFrame(webViewImpl()->mainFrame(), url);
-        Platform::current()->unitTestSupport()->serveAsynchronousMockedRequests();
     }
 
     void forceFullCompositingUpdate()
@@ -96,12 +94,6 @@ public:
         URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8(fileName.c_str()));
     }
 
-    void executeScript(const WebString& code)
-    {
-        webViewImpl()->mainFrame()->executeScript(WebScriptSource(code));
-        runPendingTasks();
-    }
-
     WebLayer* getRootScrollLayer()
     {
         RenderLayerCompositor* compositor = frame()->contentRenderer()->compositor();