Make the LayoutRect->FloatRect constructor explicit.

Source/core/paint/TextPainter.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 "config.h"
 #include "core/paint/TextPainter.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutObject.h"
@@ skipping 184 matching lines @@
     } else {
         ASSERT(step == PaintText);
         m_graphicsContext->drawText(m_font, textRunPaintInfo, FloatPoint(m_textOrigin));
     }
 }
 
 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;
         paintInternalRun<Step>(textRunPaintInfo, startOffset, endOffset);
     } else {
         if (endOffset > 0)
             paintInternalRun<Step>(textRunPaintInfo, 0, endOffset);
         if (startOffset < truncationPoint)
             paintInternalRun<Step>(textRunPaintInfo, startOffset, truncationPoint);
     }
 }
 
 void TextPainter::paintEmphasisMarkForCombinedText()
 {
     ASSERT(m_combinedText);
     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));
 }
 
 } // namespace blink