Componentize safe_browsing [+1]: move protos to component

components/safe_browsing/common/ipc_protobuf_message_test.proto

 // Copyright 2015 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;
 
 message SubMessage {
   optional int32 foo = 1;
 }
 
 message TestMessage {
   optional int32 fund_int = 1;
   optional string op_comp_string = 2;
   optional bytes op_comp_bytes = 3;
   optional SubMessage op_comp_sub = 4;
   repeated SubMessage rep_comp_sub = 5;
 }