Make the LayoutRect->FloatRect constructor explicit.

Source/core/paint/TextPainter.cpp

Index: Source/core/paint/TextPainter.cpp
diff --git a/Source/core/paint/TextPainter.cpp b/Source/core/paint/TextPainter.cpp
index e51f4cef599de0300981f24458f16811540f1676..d797d8aef33cb2adaa59c81282518a72e13ca3b1 100644
--- a/Source/core/paint/TextPainter.cpp
+++ b/Source/core/paint/TextPainter.cpp
@@ -202,7 +202,7 @@ template <TextPainter::PaintInternalStep Step>
 void TextPainter::paintInternal(int startOffset, int endOffset, int truncationPoint, TextBlobPtr* cachedTextBlob)
 {
     TextRunPaintInfo textRunPaintInfo(m_run);
-    textRunPaintInfo.bounds = m_textBounds;
+    textRunPaintInfo.bounds = FloatRect(m_textBounds);
     if (startOffset <= endOffset) {
         // FIXME: We should be able to use cachedTextBlob in more cases.
         textRunPaintInfo.cachedTextBlob = cachedTextBlob;
@@ -221,7 +221,7 @@ void TextPainter::paintEmphasisMarkForCombinedText()
     DEFINE_STATIC_LOCAL(TextRun, placeholderTextRun, (&ideographicFullStopCharacter, 1));
     FloatPoint emphasisMarkTextOrigin(m_textBounds.x().toFloat(), m_textBounds.y().toFloat() + m_font.fontMetrics().ascent() + m_emphasisMarkOffset);
     TextRunPaintInfo textRunPaintInfo(placeholderTextRun);
-    textRunPaintInfo.bounds = m_textBounds;
+    textRunPaintInfo.bounds = FloatRect(m_textBounds);
     m_graphicsContext->concatCTM(rotation(m_textBounds, Clockwise));
     m_graphicsContext->drawEmphasisMarks(m_combinedText->originalFont(), textRunPaintInfo, m_emphasisMark, emphasisMarkTextOrigin);
     m_graphicsContext->concatCTM(rotation(m_textBounds, Counterclockwise));