* loader/mac/WebFrameLoader.mm:
        (-[WebFrameLoader loadDocumentLoader:]):
        Replace ASSERT(!policyDocumentLoader) with code that handles this case. This can
        happen when loading a page during a decidePolicyForNavigationAction callback.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17049 268f45cc-cd09-0410-ab3c-d52691b4dbfc