Refactor safebrowsing StartDisplayingBlockingPage

chrome/browser/loader/safe_browsing_resource_throttle.cc

 // 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.
 
 #include "chrome/browser/loader/safe_browsing_resource_throttle.h"
 
 #include <iterator>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 74 matching lines @@
                  AsWeakPtr(), ui_manager(), resource));
 }
 
 // Static
 void SafeBrowsingResourceThrottle::StartDisplayingBlockingPage(
     const base::WeakPtr<safe_browsing::BaseResourceThrottle>& throttle,
     scoped_refptr<BaseUIManager> ui_manager,
     const security_interstitials::UnsafeResource& resource) {
   content::WebContents* web_contents = resource.web_contents_getter.Run();
   if (web_contents) {
-    // Once activated, the subresource filter will filter subresources, but is
-    // triggered when the main frame document matches Safe Browsing blacklists.
-    if (!resource.is_subresource) {
-      using subresource_filter::ContentSubresourceFilterDriverFactory;
-      ContentSubresourceFilterDriverFactory* driver_factory =
-          ContentSubresourceFilterDriverFactory::FromWebContents(web_contents);
-      DCHECK(driver_factory);
-
-      // For a redirect chain of A -> B -> C, the subresource filter expects C
-      // as the resource URL and [A, B] as redirect URLs.
-      std::vector<GURL> redirect_parent_urls;
-      if (!resource.redirect_urls.empty()) {
-        redirect_parent_urls.push_back(resource.original_url);
-        redirect_parent_urls.insert(redirect_parent_urls.end(),
-                                    resource.redirect_urls.begin(),
-                                    std::prev(resource.redirect_urls.end()));
-      }
-
-      driver_factory->OnMainResourceMatchedSafeBrowsingBlacklist(
-          resource.url, redirect_parent_urls, resource.threat_type,
-          resource.threat_metadata.threat_pattern_type);
-    }
-
+    BaseResourceThrottle::NotifySubresourceFilterOfBlockedResource(resource);
     prerender::PrerenderContents* prerender_contents =
         prerender::PrerenderContents::FromWebContents(web_contents);
     if (prerender_contents) {
       prerender_contents->Destroy(prerender::FINAL_STATUS_SAFE_BROWSING);
     } else {
       ui_manager->DisplayBlockingPage(resource);
       return;
     }
   }
 
   // Tab is gone or it's being prerendered.
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&SafeBrowsingResourceThrottle::Cancel, throttle));
 }