Make the embedder responsible for creating the WebFrame

public/web/WebFrame.h

Index: public/web/WebFrame.h
diff --git a/public/web/WebFrame.h b/public/web/WebFrame.h
index 211def68aed06bc968232765d3d6b6d4962f7ed1..891328fa563bc14f1dd7c4d4549f407999d26d32 100644
--- a/public/web/WebFrame.h
+++ b/public/web/WebFrame.h
@@ -59,6 +59,7 @@ class WebDataSource;
 class WebDocument;
 class WebElement;
 class WebFormElement;
+class WebFrameClient;
 class WebHistoryItem;
 class WebInputElement;
 class WebPerformance;
@@ -92,6 +93,13 @@ public:
     };
     typedef unsigned RenderAsTextControls;
 
+    // Creates a WebView that is NOT yet initialized. You will need to
+    // call initializeFrame to finish the initialization. It is valid
+    // to pass null client pointers.
+    //
+    // TODO(ajwong): Check comment about initialization.
+    WEBKIT_EXPORT static WebFrame* create(WebFrameClient*);
+
     // Returns the number of live WebFrame objects, used for leak checking.
     WEBKIT_EXPORT static int instanceCount();