Removing Unused method Region::totalArea()

Source/platform/geometry/Region.h

 /*
  * Copyright (C) 2010, 2011 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 39 matching lines @@
     void translate(const IntSize&);
 
     // Returns true if the query region is a subset of this region.
     bool contains(const Region&) const;
 
     bool contains(const IntPoint&) const;
 
     // Returns true if the query region intersects any part of this region.
     bool intersects(const Region&) const;
 
-    unsigned totalArea() const;
-
 #ifndef NDEBUG
     void dump() const;
 #endif
 
 private:
     struct Span {
         Span(int y, size_t segmentIndex)
             : y(y), segmentIndex(segmentIndex)
         {
         }
@@ skipping 104 matching lines @@
 }
 
 inline bool operator==(const Region::Span& a, const Region::Span& b)
 {
     return a.y == b.y && a.segmentIndex == b.segmentIndex;
 }
 
 } // namespace blink
 
 #endif // Region_h