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

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 4629 matching lines @@
 
   if (inline_element_continuation)
     inline_element_continuation->AddOutlineRects(
         rects,
         additional_offset +
             (inline_element_continuation->ContainingBlock()->Location() -
              Location()),
         include_block_overflows);
 }
 
-PaintInvalidationReason LayoutBlockFlow::InvalidatePaint(
+PaintInvalidationReason LayoutBlockFlow::DeprecatedInvalidatePaint(
     const PaintInvalidationState& paint_invalidation_state) {
   if (ContainsFloats())
     paint_invalidation_state.PaintingLayer().SetNeedsPaintPhaseFloat();
 
-  return LayoutBlock::InvalidatePaint(paint_invalidation_state);
+  return LayoutBlock::DeprecatedInvalidatePaint(paint_invalidation_state);
 }
 
 void LayoutBlockFlow::InvalidateDisplayItemClients(
     PaintInvalidationReason invalidation_reason) const {
   BlockFlowPaintInvalidator(*this).InvalidateDisplayItemClients(
       invalidation_reason);
 }
 
 }  // namespace blink