Cleanup converting safe-browsing chunks to range list.

chrome/browser/safe_browsing/chunk_range.h

 // Copyright (c) 2006-2008 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.
 //
 // Class for parsing lists of integers into ranges.
 //
 // The anti-phishing and anti-malware protocol sends ASCII strings of numbers
 // and ranges of numbers corresponding to chunks of whitelists and blacklists.
 // Clients of this protocol need to be able to convert back and forth between
 // this representation, and individual integer chunk numbers. The ChunkRange
@@ skipping 24 matching lines @@
   }
 
  private:
   int start_;
   int stop_;
 };
 
 
 // Helper functions ------------------------------------------------------------
 
-// Convert a series of chunk numbers into a more compact range representation.
-// The 'chunks' vector must be sorted in ascending order.
-void ChunksToRanges(const std::vector<int>& chunks,
-                    std::vector<ChunkRange>* ranges);
-
 // Convert a set of ranges into individual chunk numbers.
 void RangesToChunks(const std::vector<ChunkRange>& ranges,
                     std::vector<int>* chunks);
 
-// Convert a series of chunk ranges into a string in protocol format.
-void RangesToString(const std::vector<ChunkRange>& ranges,
-                    std::string* result);
-
 // Returns 'true' if the string was successfully converted to ChunkRanges,
 // 'false' if the input was malformed.
 // The string must be in the form: "1-100,398,415,1138-2001,2019".
 bool StringToRanges(const std::string& input,
                     std::vector<ChunkRange>* ranges);
 
+// Convenience for going from a list of chunks to a string in protocol
+// format.
+void ChunksToRangeString(const std::vector<int>& chunks, std::string* result);
+
 // Tests if a chunk number is contained a sorted vector of ChunkRanges.
 bool IsChunkInRange(int chunk_number, const std::vector<ChunkRange>& ranges);
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CHUNK_RANGE_H_