Remove the SVG update hack.

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 2538 matching lines @@
             frameViews.append(view);
     }
 
     for (const auto& frameView : frameViews)
         frameView->updateStyleAndLayoutIfNeededRecursive();
 
     // When an <iframe> gets composited, it triggers an extra style recalc in its containing FrameView.
     // To avoid pushing an invalid tree for display, we have to check for this case and do another
     // style recalc. The extra style recalc needs to happen after our child <iframes> were updated.
     // FIXME: We shouldn't be triggering an extra style recalc in the first place.
-    if (m_frame->document()->hasSVGFilterElementsRequiringLayerUpdate()) {
-        m_frame->document()->updateLayoutTreeIfNeeded();
+    // if (m_frame->document()->hasSVGFilterElementsRequiringLayerUpdate()) {
+    //     m_frame->document()->updateLayoutTreeIfNeeded();
 
-        if (needsLayout())
-            layout();
-    }
+    //     if (needsLayout())
+    //         layout();
+    // }
 
     // These asserts ensure that parent frames are clean, when child frames finished updating layout and style.
     ASSERT(!needsLayout());
-    ASSERT(!m_frame->document()->hasSVGFilterElementsRequiringLayerUpdate());
 #if ENABLE(ASSERT)
     m_frame->document()->layoutView()->assertLaidOut();
 #endif
 
     updateWidgetGeometriesIfNeeded();
 
     if (lifecycle().state() < DocumentLifecycle::LayoutClean)
         lifecycle().advanceTo(DocumentLifecycle::LayoutClean);
 
     // Ensure that we become visually non-empty eventually.
@@ skipping 1445 matching lines @@
     return m_hiddenForThrottling && m_crossOriginForThrottling;
 }
 
 LayoutBox& FrameView::boxForScrollControlPaintInvalidation() const
 {
     ASSERT(layoutView());
     return *layoutView();
 }
 
 } // namespace blink