Remove legacy Module Verifier.

chrome/common/safe_browsing/csd.proto

 // Copyright (c) 2012 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.
 //
 // Client side phishing and malware detection request and response
 // protocol buffers.  Those protocol messages should be kept in sync
 // with the server implementation.
 //
 // If you want to change this protocol definition or you have questions
 // regarding its format please contact chrome-anti-phishing@googlegroups.com.
@@ skipping 456 matching lines @@
       repeated string blacklisted_dll = 10;
       message ModuleState {
         enum ModifiedState {
           UNKNOWN = 0;
           MODULE_STATE_UNKNOWN = 1;
           MODULE_STATE_UNMODIFIED = 2;
           MODULE_STATE_MODIFIED = 3;
         }
         optional string name = 1;
         optional ModifiedState modified_state = 2;
-        repeated string modified_export = 3;
+        repeated string OBSOLETE_modified_export = 3;
 
         message Modification {
           optional uint32 file_offset = 1;
           optional int32 byte_count = 2;
           optional bytes modified_bytes = 3;
           optional string export_name = 4;
         }
         repeated Modification modification = 4;
       }
       repeated ModuleState module_state = 11;
@@ skipping 11 matching lines @@
   message EnvironmentRequest { optional int32 dll_index = 1; }
 
   repeated EnvironmentRequest environment_requests = 3;
 }
 
 message DownloadMetadata {
   optional uint32 download_id = 1;
 
   optional ClientIncidentReport.DownloadDetails download = 2;
 }