Strip out safe-browsing prefix-set checksumming code.

chrome/browser/safe_browsing/prefix_set.h

Index: chrome/browser/safe_browsing/prefix_set.h
diff --git a/chrome/browser/safe_browsing/prefix_set.h b/chrome/browser/safe_browsing/prefix_set.h
index f3668f614c9cff17d4da12e336f1c0d18dad25d6..914dd5edb83734009573bbd5cd327ed92cb6db42 100644
--- a/chrome/browser/safe_browsing/prefix_set.h
+++ b/chrome/browser/safe_browsing/prefix_set.h
@@ -73,30 +73,6 @@ class PrefixSet {
   // |prefixes|.  Prefixes will be added in sorted order.
   void GetPrefixes(std::vector<SBPrefix>* prefixes) const;
 
-  // TODO(shess): The following are debugging accessors.  Delete once
-  // the encoding problem is figured out.
-
-  size_t IndexBinFor(size_t target_index) const;
-
-  // The number of prefixes represented.
-  size_t GetSize() const;
-
-  // Returns |true| if the element at |target_index| is between items in the
-  // |index_| array.
-  bool IsDeltaAt(size_t target_index) const;
-
-  // Returns the delta used to calculate the element at
-  // |target_index|.  Only call if |IsDeltaAt()| returned |true|.
-  uint16 DeltaAt(size_t target_index) const;
-
-  // Check whether |index_| and |deltas_| still match the checksum
-  // generated during construction.
-  bool CheckChecksum() const;
-
-  // Accumulates xor checksum over what GetPrefixes() would return,
-  // without requiring a large temporary structure.
-  SBPrefix GetPrefixesChecksum() const;
-
  private:
   // Maximum number of consecutive deltas to encode before generating
   // a new index entry.  This helps keep the worst-case performance
@@ -119,11 +95,6 @@ class PrefixSet {
   // |index_|, or the end of |deltas_| for the last |index_| pair.
   std::vector<uint16> deltas_;
 
-  // For debugging, used to verify that |index_| and |deltas| were not
-  // changed after generation during construction.  |checksum_| is
-  // calculated from the data used to construct those vectors.
-  uint32 checksum_;
-
   DISALLOW_COPY_AND_ASSIGN(PrefixSet);
 };