Remove the unused enlarge.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/6151010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71462 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/safe_browsing/safe_browsing_util.cc

@@ -111,16 +111,6 @@ int SBEntry::Size(Type type, int prefix_count) {
   return sizeof(Data) + prefix_count * PrefixSize(type);
 }
 
-SBEntry* SBEntry::Enlarge(int extra_prefixes) {
-  int new_prefix_count = prefix_count() + extra_prefixes;
-  SBEntry* rv = SBEntry::Create(type(), new_prefix_count);
-  memcpy(rv, this, Size());  // NOTE: Blows away rv.data_!
-  // We have to re-set |rv|'s prefix count since we just copied our own over it.
-  rv->set_prefix_count(new_prefix_count);
-  Destroy();
-  return rv;
-}
-
 int SBEntry::ChunkIdAtPrefix(int index) const {
   if (type() == SUB_PREFIX)
     return sub_prefixes_[index].add_chunk;

chrome/browser/safe_browsing/safe_browsing_util.h

@@ -157,10 +157,6 @@ class SBEntry {
   int chunk_id() const { return data_.chunk_id; }
   int prefix_count() const { return data_.prefix_count; }
 
-  // Returns a new entry that is larger by the given number of prefixes, with
-  // all the existing data already copied over.  The old entry is destroyed.
-  SBEntry* Enlarge(int extra_prefixes);
-
   // Returns true if this is a prefix as opposed to a full hash.
   bool IsPrefix() const {
     return type() == ADD_PREFIX || type() == SUB_PREFIX;