Make VisibleUnits::ComputeTextRect() return unified IntRect

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple 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
@@ skipping 4127 matching lines @@
         node == start_container ? start_position.OffsetInContainerNode() : 0;
     unsigned end_offset = node == end_container
                               ? end_position.OffsetInContainerNode()
                               : std::numeric_limits<unsigned>::max();
     CollectAbsoluteBoundsForRange(start_offset, end_offset, *layout_text,
                                   result);
   }
   return result;
 }
 
-Vector<IntRect> ComputeTextRects(const EphemeralRange& range) {
-  return ComputeTextBounds<IntRect>(range);
+IntRect ComputeTextRect(const EphemeralRange& range) {
+  IntRect result;
+  const Vector<IntRect>& rects = ComputeTextBounds<IntRect>(range);
+  for (const IntRect& rect : rects)
+    result.Unite(rect);
+  return result;
 }
 
 Vector<FloatQuad> ComputeTextQuads(const EphemeralRange& range) {
   return ComputeTextBounds<FloatQuad>(range);
 }
 
 }  // namespace blink