Implement code for Start/Finish threat details collection in WebView.

android_webview/browser/aw_safe_browsing_blocking_page.h

 // Copyright 2017 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_SAFE_BROWSING_BLOCKING_PAGE_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_SAFE_BROWSING_BLOCKING_PAGE_H_
 
 #include "components/safe_browsing/base_blocking_page.h"
 #include "components/security_interstitials/core/base_safe_browsing_error_ui.h"
 
@@ skipping 22 matching lines @@
   AwSafeBrowsingBlockingPage(
       AwSafeBrowsingUIManager* ui_manager,
       content::WebContents* web_contents,
       const GURL& main_frame_url,
       const UnsafeResourceList& unsafe_resources,
       std::unique_ptr<
           security_interstitials::SecurityInterstitialControllerClient>
           controller_client,
       const BaseSafeBrowsingErrorUI::SBErrorDisplayOptions& display_options,
       ErrorUiType errorUiType);
+
+  // Called when the interstitial is going away. If there is a
+  // pending threat details object, we look at the user's
+  // preferences, and if the option to send threat details is
+  // enabled, the report is scheduled to be sent on the |ui_manager_|.
+  void FinishThreatDetails(const base::TimeDelta& delay,
+                           bool did_proceed,
+                           int num_visits) override;
+
+  // Whether ThreatDetails collection is in progress as part of this
+  // interstitial.
+  bool threat_details_in_progress_;
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_SAFE_BROWSING_BLOCKING_PAGE_H_