Implement support for checking bad IPs aka MatchMalwareIP

components/safe_browsing_db/v4_protocol_manager_util.h

Index: components/safe_browsing_db/v4_protocol_manager_util.h
diff --git a/components/safe_browsing_db/v4_protocol_manager_util.h b/components/safe_browsing_db/v4_protocol_manager_util.h
index 4970f07eb18518a8b1b4a7613ecd1a2ac7da2808..3cadb0b147900e22dccd4093db593ad93b061596 100644
--- a/components/safe_browsing_db/v4_protocol_manager_util.h
+++ b/components/safe_browsing_db/v4_protocol_manager_util.h
@@ -20,6 +20,7 @@
 
 namespace net {
 class HttpRequestHeaders;
+class IPAddress;
 }  // namespace net
 
 namespace safe_browsing {
@@ -136,6 +137,7 @@ struct ListIdentifier {
 std::ostream& operator<<(std::ostream& os, const ListIdentifier& id);
 
 PlatformType GetCurrentPlatformType();
+const ListIdentifier GetAnyIpMalwareId();
 const ListIdentifier GetChromeUrlApiId();
 const ListIdentifier GetChromeUrlClientIncidentId();
 const ListIdentifier GetChromeUrlMalwareId();
@@ -272,6 +274,16 @@ class V4ProtocolManagerUtil {
   static void SetClientInfoFromConfig(ClientInfo* client_info,
                                       const V4ProtocolConfig& config);
 
+  static bool GetIPV6AddressFromString(const std::string& ip_address,

[Nathan Parker, 2016/11/15 00:54:46]

Is this used anywhere besides the function below?

[vakh (use Gerrit instead), 2016/11/15 01:03:41]

safe_browsing_database.cc

+                                       net::IPAddress* address);
+
+  // Converts a IPV4 or IPV6 address in |ip_address| to the SHA1 hash of the
+  // corresponding packed IPV6 address in |hashed_encoded_ip|, and adds an
+  // extra byte containing the value 128 at the end. This is done to match the
+  // server implementation for calculating the hash prefix of an IP address.
+  static bool IPAddressToEncodedIPV6Hash(const std::string& ip_address,
+                                         FullHash* hashed_encoded_ip);
+
  private:
   V4ProtocolManagerUtil(){};
   FRIEND_TEST_ALL_PREFIXES(V4ProtocolManagerUtilTest, TestBackOffLogic);