Safebrowsing: Fix comments pointing to internal URL for API docs.

chrome/browser/safe_browsing/chunk.proto

 // Copyright 2014 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.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package safe_browsing;
 
 // Everything below this comment was copied from the page
-// <https://devsite.googleplex.com/safe-browsing/developers_guide_v3> ,
+// <https://developers.google.com/safe-browsing/developers_guide_v3>,
 // section "HTTP Response for Data" under "Response Body".
 
 // Chunk data encoding format for the shavar-proto list format.
 message ChunkData {
   required int32 chunk_number = 1;
 
   // The chunk type is either an add or sub chunk.
   enum ChunkType {
     ADD = 0;
     SUB = 1;
   }
   optional ChunkType chunk_type = 2 [default = ADD];
 
   // Prefix type which currently is either 4B or 32B.  The default is set
   // to the prefix length, so it doesn't have to be set at all for most
   // chunks.
   enum PrefixType {
     PREFIX_4B = 0;
     FULL_32B = 1;
   }
   optional PrefixType prefix_type = 3 [default = PREFIX_4B];
   // Stores all SHA256 add or sub prefixes or full-length hashes. The number
   // of hashes can be inferred from the length of the hashes string and the
   // prefix type above.
   optional bytes hashes = 4;
 
   // Sub chunks also encode one add chunk number for every hash stored above.
   repeated int32 add_numbers = 5 [packed = true];
 }