Update RequestTrigger to GestureType in permission report

chrome/common/safe_browsing/permission_report.proto

 // Copyright 2016 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.
 
 // Protocol buffer for permission reports sent to the Safe Browsing client-side
 // detection (CSD) frontends. This should stay in sync with the Safe Browsing 
 // server-side protocol buffer.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package safe_browsing;
 
 // A single Permission Report sent to Safe Browsing client-side detection
 // frontends.
 message PermissionReport {
   // The origin (scheme/host/port) of the site requesting the permission.
   optional string origin = 1;
 
   // The permission being requested/acted upon.
   optional PermissionType permission = 2;
 
   // The platform.
   optional PlatformType platform_type = 3;
 
-  // When the request was initiated.
-  repeated RequestTrigger request_trigger = 4;
+  // Whether the action was after a user gesture.
+  optional GestureType gesture = 4;
 
   // The action the user took. Required.
   optional Action action = 5;
 
   // The UI used to complete the action.
   optional SourceUI source_ui = 6;
 
   // The relevant field trials enabled for this report.
   repeated FieldTrial field_trials = 7;
 
   // Platform
   enum PlatformType {
     PLATFORM_TYPE_UNSPECIFIED = 0;
     DESKTOP_PLATFORM = 1;
     ANDROID_PLATFORM = 2;
   }
 
-  // Various request triggers we want to record, e.g. on page load.
-  enum RequestTrigger {
-    REQUEST_TRIGGER_UNSPECIFIED = 0;
-    ONLOAD = 1;
-    AFTER_GESTURE = 2;
+  // Whether the action occurred after a user gesture.
+  enum GestureType {
+    GESTURE_TYPE_UNSPECIFIED = 0;
+    GESTURE = 1;
+    NO_GESTURE = 2;
   }
 
   // User Permission Actions. This enum is intentionally different with 
   // the one in src/chrome/browser/permissions/permission_uma_util.h
   enum Action {
     ACTION_UNSPECIFIED = 0;
     GRANTED = 1;
     DENIED = 2;
     DISMISSED = 3;
     IGNORED = 4;
@@ skipping 30 matching lines @@
   message FieldTrial {
     // The name of the field trial, as a 32-bit identifier. Currently, the
     // identifier is a hash of the field trial's name.
     optional fixed32 name_id = 1;
 
     // The user's group within the field trial, as a 32-bit identifier.
     // Currently, the identifier is a hash of the group's name.
     optional fixed32 group_id = 2;
   }
 }