Use FloatQuad instead of intrect in visibleunit

third_party/WebKit/Source/core/editing/VisibleUnits.h

 /*
  * Copyright (C) 2004 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 324 matching lines @@
 // Returns a hit-tested VisiblePosition for the given point in contents-space
 // coordinates.
 CORE_EXPORT VisiblePosition VisiblePositionForContentsPoint(const IntPoint&,
                                                             LocalFrame*);
 
 CORE_EXPORT bool RendersInDifferentPosition(const Position&, const Position&);
 
 CORE_EXPORT Position SkipWhitespace(const Position&);
 CORE_EXPORT PositionInFlatTree SkipWhitespace(const PositionInFlatTree&);
 
-CORE_EXPORT Vector<IntRect> ComputeTextRects(const EphemeralRange&);
+CORE_EXPORT IntRect ComputeTextRect(const EphemeralRange&);
 CORE_EXPORT Vector<FloatQuad> ComputeTextQuads(const EphemeralRange&);
 
 }  // namespace blink
 
 #endif  // VisibleUnits_h