Componentize the bad clock blocking page

chrome/browser/safe_browsing/safe_browsing_blocking_page.h

 // 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.
 //
 // Classes for managing the SafeBrowsing interstitial pages.
 //
 // When a user is about to visit a page the SafeBrowsing system has deemed to
 // be malicious, either as malware or a phishing page, we show an interstitial
 // page with some options (go back, continue) to give the user a chance to avoid
 // the harmful page.
@@ skipping 89 matching lines @@
 
   // Don't instantiate this class directly, use ShowBlockingPage instead.
   SafeBrowsingBlockingPage(SafeBrowsingUIManager* ui_manager,
                            content::WebContents* web_contents,
                            const UnsafeResourceList& unsafe_resources);
 
   // SecurityInterstitialPage methods:
   bool ShouldCreateNewNavigation() const override;
   void PopulateInterstitialStrings(
       base::DictionaryValue* load_time_data) override;
+  void AfterShow() override {}
 
   // After a safe browsing interstitial where the user opted-in to the
   // report but clicked "proceed anyway", we delay the call to
   // ThreatDetails::FinishCollection() by this much time (in
   // milliseconds), in order to get data from the blocked resource itself.
   int64 malware_details_proceed_delay_ms_;
 
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingBlockingPageTest,
       MalwareReportsTransitionDisabled);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingBlockingPageTest,
@@ skipping 85 matching lines @@
 
   virtual SafeBrowsingBlockingPage* CreateSafeBrowsingPage(
       SafeBrowsingUIManager* ui_manager,
       content::WebContents* web_contents,
       const SafeBrowsingBlockingPage::UnsafeResourceList& unsafe_resources) = 0;
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_BLOCKING_PAGE_H_