Make VisibleUnits::ComputeTextRect() return unified IntRect

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

Index: third_party/WebKit/Source/core/editing/VisibleUnits.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleUnits.cpp b/third_party/WebKit/Source/core/editing/VisibleUnits.cpp
index f953a2630b0faab92dc3a4259336e58aded96745..741375b47c535b1f2880fc0fb749292b79ad4294 100644
--- a/third_party/WebKit/Source/core/editing/VisibleUnits.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleUnits.cpp
@@ -4145,8 +4145,12 @@ static Vector<RectType> ComputeTextBounds(const EphemeralRange& range) {
   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) {