Mark some non-spinvalidation methods deprecated, and update paint/README.md

third_party/WebKit/Source/core/layout/svg/LayoutSVGText.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 67 matching lines @@
   void UpdateLayout() override;
 
   void AbsoluteQuads(Vector<FloatQuad>&,
                      MapCoordinatesFlags mode = 0) const override;
 
   void AddChild(LayoutObject* child,
                 LayoutObject* before_child = nullptr) override;
   void RemoveChild(LayoutObject*) override;
   void WillBeDestroyed() override;
 
-  void InvalidateTreeIfNeeded(const PaintInvalidationState&) override;
+  void DeprecatedInvalidateTree(const PaintInvalidationState&) override;
 
   RootInlineBox* CreateRootInlineBox() override;
 
   void InvalidatePositioningValues(LayoutInvalidationReasonForTracing);
 
   bool needs_reordering_ : 1;
   bool needs_positioning_values_update_ : 1;
   bool needs_transform_update_ : 1;
   bool needs_text_metrics_update_ : 1;
   Vector<LayoutSVGInlineText*> descendant_text_nodes_;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGText, IsSVGText());
 
 }  // namespace blink
 
 #endif