LibWeb: Make Frame::page_view() always go via main_frame()

When you ask a subframe for its PageView, you'll now always get the
main frame's PageView. Subframes don't have a PageView of their own.

1 files changed, 4 insertions, 2 deletions

diff --git a/Libraries/LibWeb/Frame.h b/Libraries/LibWeb/Frame.h
index 0a8ae556e6..cc98cbb629 100644
--- a/Libraries/LibWeb/Frame.h
+++ b/Libraries/LibWeb/Frame.h
@@ -47,13 +47,15 @@ public:
     static NonnullRefPtr<Frame> create(PageView& page_view) { return adopt(*new Frame(page_view)); }
     ~Frame();
 
+    bool is_main_frame() const { return this == &m_main_frame; }
+
     const Document* document() const { return m_document; }
     Document* document() { return m_document; }
 
     void set_document(Document*);
 
-    PageView* page_view() { return m_page_view; }
-    const PageView* page_view() const { return m_page_view; }
+    PageView* page_view() { return is_main_frame() ? m_page_view : main_frame().m_page_view; }
+    const PageView* page_view() const{ return is_main_frame() ? m_page_view : main_frame().m_page_view; }
 
     const Gfx::Size& size() const { return m_size; }
     void set_size(const Gfx::Size&);