Don't use selection bounds to paint document marker

third_party/WebKit/Source/core/paint/InlineTextBoxPainter.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/InlineTextBoxPainter.h"
 
 #include "core/editing/CompositionUnderline.h"
 #include "core/editing/Editor.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 814 matching lines @@
     TextPainter textPainter(paintInfo.context, font, run, textOrigin, boxRect, m_inlineTextBox.isHorizontal());
 
     textPainter.paint(sPos, ePos, m_inlineTextBox.len(), textStyle, 0);
 }
 
 void InlineTextBoxPainter::paintTextMatchMarkerBackground(const PaintInfo& paintInfo, const LayoutPoint& boxOrigin, DocumentMarker* marker, const ComputedStyle& style, const Font& font)
 {
     if (!LineLayoutAPIShim::layoutObjectFrom(m_inlineTextBox.getLineLayoutItem())->frame()->editor().markedTextMatchesAreHighlighted())
         return;
 
-    // Use same y positioning and height as for selection, so that when the selection and this highlight are on
-    // the same word there are no pieces sticking out.
-    int deltaY = m_inlineTextBox.getLineLayoutItem().style()->isFlippedLinesWritingMode() ? m_inlineTextBox.root().selectionBottom() - m_inlineTextBox.logicalBottom() : m_inlineTextBox.logicalTop() - m_inlineTextBox.root().selectionTop();
-    int selHeight = m_inlineTextBox.root().selectionHeight();
-
     int sPos = std::max(marker->startOffset() - m_inlineTextBox.start(), (unsigned)0);
     int ePos = std::min(marker->endOffset() - m_inlineTextBox.start(), m_inlineTextBox.len());
     TextRun run = m_inlineTextBox.constructTextRun(style, font);
 
     Color color = LayoutTheme::theme().platformTextSearchHighlightColor(marker->activeMatch());
     GraphicsContext& context = paintInfo.context;
     GraphicsContextStateSaver stateSaver(context);
-    context.clip(FloatRect(boxOrigin.x().toFloat(), (boxOrigin.y() - deltaY).toFloat(), m_inlineTextBox.logicalWidth().toFloat(), selHeight));
-    context.drawHighlightForText(font, run, FloatPoint(boxOrigin.x().toFloat(), (boxOrigin.y() - deltaY).toFloat()), selHeight, color, sPos, ePos);
+
+    LayoutRect boxRect(boxOrigin, LayoutSize(m_inlineTextBox.logicalWidth(), m_inlineTextBox.logicalHeight()));
+    context.clip(FloatRect(boxRect));
+    context.drawHighlightForText(font, run, FloatPoint(boxOrigin), boxRect.height(), color, sPos, ePos);
 }
 
 
 } // namespace blink