All tests crash on Windows
https://bugs.webkit.org/show_bug.cgi?id=114522

Reviewed by Ryosuke Niwa.

In the MSVC++ ABI, a member function pointer will have a different size depending on whether the
class it belongs to is defined or not. Because of this, when passing member function pointers as parameters
it's important to ensure that the class is known by both the caller and the callee.

* WebFrame.cpp:
Include PolicyChecker.h

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148290 268f45cc-cd09-0410-ab3c-d52691b4dbfc