[Reland] Remove PaintInfo's paintingRoot

third_party/WebKit/Source/core/paint/SVGInlineTextBoxPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/SVGInlineTextBoxPainter.h"
 
 #include "core/editing/Editor.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/markers/RenderedDocumentMarker.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 21 matching lines @@
     return textLayoutObject.scaledFont().fontDescription().computedPixelSize();
 }
 
 bool SVGInlineTextBoxPainter::shouldPaintSelection(const PaintInfo& paintInfo) const
 {
     return !paintInfo.isPrinting() && m_svgInlineTextBox.selectionState() != SelectionNone;
 }
 
 void SVGInlineTextBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
-    ASSERT(paintInfo.shouldPaintWithinRoot(LineLayoutPaintShim::layoutObjectFrom(m_svgInlineTextBox.lineLayoutItem())));
     ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
     ASSERT(m_svgInlineTextBox.truncation() == cNoTruncation);
 
     if (m_svgInlineTextBox.lineLayoutItem().style()->visibility() != VISIBLE)
         return;
 
     // We're explicitly not supporting composition & custom underlines and custom highlighters -- unlike InlineTextBox.
     // If we ever need that for SVG, it's very easy to refactor and reuse the code.
 
     if (paintInfo.phase == PaintPhaseSelection && !shouldPaintSelection(paintInfo))
@@ skipping 444 matching lines @@
             stateSaver.save();
             paintInfo.context.concatCTM(fragment.buildFragmentTransform());
         }
         FloatRect fragmentRect = m_svgInlineTextBox.selectionRectForTextFragment(fragment, textMatchInfo.startPosition, textMatchInfo.endPosition, style);
         paintInfo.context.setFillColor(color);
         paintInfo.context.fillRect(fragmentRect);
     }
 }
 
 } // namespace blink