Componentize safe_browsing [+1]: move protos to component

chrome/common/safe_browsing/crx_info.proto

-// Copyright 2013 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 extensions;
-
-// This is used to request more information on blacklisted CRX packages. The
-// client maintains a local cache of blacklisted ids, and makes requests to our
-// server to get more information, such as the blacklist type.
-message ClientCRXListInfoRequest {
-  // ID of the CRX package.
-  required string id = 1;
-
-  // Locale of the device, eg en, en_US.
-  optional string locale = 2;
-}
-
-message ClientCRXListInfoResponse {
-  enum Verdict {
-    NOT_IN_BLACKLIST = 0;
-    MALWARE = 1;
-    SECURITY_VULNERABILITY = 2;
-    CWS_POLICY_VIOLATION = 3;
-    POTENTIALLY_UNWANTED = 4;
-  }
-  // Although listed as optional, this is required.
-  optional Verdict verdict = 1 [default=NOT_IN_BLACKLIST];
-
-  message UserMessage {
-    // If present, will be appended to disable reason in the details page. We
-    // could use this to send a URL to a blogpost or help article.
-    optional string detail_message = 1;
-  }
-  optional UserMessage user_message = 2;
-}