WebContent: Delete unused PageClient::layout_root()

Author: kalenikaliaksandr

Services/WebContent/PageClient.cpp

@@ -184,14 +184,6 @@ void PageClient::set_window_size(Web::DevicePixelSize size)
     page().set_window_size(size);
 }
 
-Web::Layout::Viewport* PageClient::layout_root()
-{
-    auto* document = page().top_level_browsing_context().active_document();
-    if (!document)
-        return nullptr;
-    return document->layout_node();
-}
-
 void PageClient::ready_to_paint()
 {
     page().top_level_traversable()->ready_to_paint();

Services/WebContent/PageClient.h

@@ -178,7 +178,6 @@ class PageClient final : public Web::PageClient {
     virtual void page_did_take_screenshot(Gfx::ShareableBitmap const& screenshot) override;
     virtual void received_message_from_web_ui(String const& name, JS::Value data) override;
 
-    Web::Layout::Viewport* layout_root();
     void setup_palette();
     ConnectionFromClient& client() const;