Make the embedder responsible for creating the WebFrame

Source/web/tests/FrameLoaderClientImplTest.cpp

Index: Source/web/tests/FrameLoaderClientImplTest.cpp
diff --git a/Source/web/tests/FrameLoaderClientImplTest.cpp b/Source/web/tests/FrameLoaderClientImplTest.cpp
index 85c4332428d4142564b781aaa817b9baf6cf293c..a210a6c7aec1f302db228f89841eae5413716041 100644
--- a/Source/web/tests/FrameLoaderClientImplTest.cpp
+++ b/Source/web/tests/FrameLoaderClientImplTest.cpp
@@ -69,13 +69,15 @@ public:
     void SetUp()
     {
         m_webView = WebView::create(0);
-        m_webView->initializeMainFrame(&m_webFrameClient);
+        m_mainFrame = WebFrame::create(&m_webFrameClient);
+        m_webView->initializeMainFrame(m_mainFrame);
         m_frameLoaderClientImpl = static_cast<FrameLoaderClientImpl*>(toWebFrameImpl(m_webView->mainFrame())->frame()->loader()->client());
     }
 
     void TearDown()
     {
         m_webView->close();
+        m_mainFrame->close();
     }
 
     void setUserAgentOverride(const WebString& userAgent)
@@ -95,6 +97,7 @@ protected:
     TestWebFrameClient m_webFrameClient;
     FrameLoaderClientImpl* m_frameLoaderClientImpl;
     WebView* m_webView;
+    WebFrame* m_mainFrame;
 };
 
 TEST_F(FrameLoaderClientImplTest, UserAgentOverride)