Permission Action Reporting: Add num_prior_* fields.

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";
 
@@ skipping 22 matching lines @@
   // 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;
 
   // The number of dismissals on a prompt for this permission and origin prior
   // to this report since the user last cleared their history.
   optional int32 num_prior_dismissals = 8;
 
-  // The number of ignores of a prompt for this  permission and origin prior to
+  // The number of ignores of a prompt for this permission and origin prior to
   // this report since the user last cleared their history.
   optional int32 num_prior_ignores = 9;
 
   // The persistence decision on a prompt. Only some experimental prompts will
   // have this field set.
   optional PersistDecision persisted = 10;
 
   // Platform
   enum PlatformType {
     PLATFORM_TYPE_UNSPECIFIED = 0;
@@ skipping 56 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;
   }
 }