Componentize the bad clock blocking page

chrome/browser/interstitials/security_interstitial_page.h

 // Copyright 2014 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 CHROME_BROWSER_INTERSTITIALS_SECURITY_INTERSTITIAL_PAGE_H_
 #define CHROME_BROWSER_INTERSTITIALS_SECURITY_INTERSTITIAL_PAGE_H_
 
 #include "base/strings/string16.h"
 #include "content/public/browser/interstitial_page_delegate.h"
 #include "url/gurl.h"
@@ skipping 26 matching lines @@
   void DontCreateViewForTesting();
 
  protected:
   // Returns true if the interstitial should create a new navigation entry.
   virtual bool ShouldCreateNewNavigation() const = 0;
 
   // Populates the strings used to generate the HTML from the template.
   virtual void PopulateInterstitialStrings(
       base::DictionaryValue* load_time_data) = 0;
 
+  // Gives an opportunity for child classes to react to Show() having run. The
+  // interstitial_page_ will now have a value.
+  virtual void AfterShow() = 0;
+
   // InterstitialPageDelegate method:
   std::string GetHTMLContents() override;
 
   // Returns the formatted host name for the request url.
   base::string16 GetFormattedHostName() const;
 
   content::InterstitialPage* interstitial_page() const;
   content::WebContents* web_contents() const;
   GURL request_url() const;
 
@@ skipping 21 matching lines @@
   content::InterstitialPage* interstitial_page_;
   // Whether the interstitial should create a view.
   bool create_view_;
   // For subclasses that don't have their own ChromeControllerClients yet.
   scoped_ptr<ChromeControllerClient> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityInterstitialPage);
 };
 
 #endif  // CHROME_BROWSER_INTERSTITIALS_SECURITY_INTERSTITIAL_PAGE_H_