Allow Safe Browsing backend to select downloads to upload.

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.
 //
 // This proto file includes:
 // (1) Client side phishing and malware detection request and response
 //   protocol buffers.  Those protocol messages should be kept in sync
 //   with the server implementation.
 //
 // (2) Safe Browsing reporting protocol buffers.
@@ skipping 450 matching lines @@
     // Only if verdict != SAFE. Localized based on request.locale.
     optional string description = 1;
 
     // A URL to get more information about this warning, if available.
     optional string url = 2;
   }
   optional MoreInfo more_info = 2;
 
   // An arbitrary token that should be sent along for further server requests.
   optional bytes token = 3;
+
+  // Whether the server requests that this binary be uploaded.
+  optional bool upload = 5;
 }
 
 // The following protocol buffer holds the feedback report gathered
 // from the user regarding the download.
 message ClientDownloadReport {
   // The information of user who provided the feedback.
   // This is going to be useful for handling appeals.
   message UserInformation {
     optional string email = 1;
   }
@@ skipping 426 matching lines @@
 // There is no response (an empty body) to this request.
 message NotificationImageReportRequest {
   optional string notification_origin = 1;  // Src-origin of the notification.
   optional ImageData image = 2;             // The bitmap of the image.
 
   // Note that the image URL is deliberately omitted as it would be untrusted,
   // since the notification image fetch may be intercepted by a Service Worker
   // (even if the image URL is cross-origin). Otherwise a website could mislead
   // Safe Browsing into associating phishing image bitmaps with safe image URLs.
 }