Remove old repaint rect tracking from FrameView.

Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 602 matching lines @@
     if (!m_rootContentLayer)
         return String();
 
     // We skip dumping the scroll and clip layers to keep layerTreeAsText output
     // similar between platforms (unless we explicitly request dumping from the
     // root.
     GraphicsLayer* rootLayer = m_rootContentLayer.get();
     if (flags & LayerTreeIncludesRootLayer)
         rootLayer = rootGraphicsLayer();
 
-    String layerTreeText = rootLayer->layerTreeAsText(flags);
-
-    // The true root layer is not included in the dump, so if we want to report
-    // its paint invalidation rects, they must be included here.
-    if (flags & LayerTreeIncludesPaintInvalidationRects)
-        return m_layoutView.frameView()->trackedPaintInvalidationRectsAsText() + layerTreeText;
-
-    return layerTreeText;
+    return rootLayer->layerTreeAsText(flags);
 }
 
 DeprecatedPaintLayerCompositor* DeprecatedPaintLayerCompositor::frameContentsCompositor(LayoutPart* layoutObject)
 {
     if (!layoutObject->node()->isFrameOwnerElement())
         return nullptr;
 
     HTMLFrameOwnerElement* element = toHTMLFrameOwnerElement(layoutObject->node());
     if (Document* contentDocument = element->contentDocument()) {
         if (LayoutView* view = contentDocument->layoutView())
@@ skipping 567 matching lines @@
     } else if (graphicsLayer == m_scrollLayer.get()) {
         name = "LocalFrame Scrolling Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace blink