Don't prerender if an interstitial would be shown.

chrome/browser/prerender/prerender_manager.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/prerender/prerender_manager.h"
 
 #include <algorithm>
 #include <functional>
 #include <string>
 #include <vector>
@@ skipping 41 matching lines @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/session_storage_namespace.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/common/favicon_url.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 
+#if defined(ENABLE_MANAGED_USERS)
+#include "chrome/browser/managed_mode/managed_mode_url_filter.h"
+#include "chrome/browser/managed_mode/managed_user_service.h"
+#include "chrome/browser/managed_mode/managed_user_service_factory.h"
+#endif
+
 using content::BrowserThread;
 using content::RenderViewHost;
 using content::SessionStorageNamespace;
 using content::WebContents;
 using predictors::LoggedInPredictorTable;
 
 namespace prerender {
 
 namespace {
 
@@ skipping 971 matching lines @@
     int process_id,
     const GURL& url_arg,
     const content::Referrer& referrer,
     const gfx::Size& size,
     SessionStorageNamespace* session_storage_namespace) {
   DCHECK(CalledOnValidThread());
 
   if (!IsEnabled())
     return NULL;
 
+#if defined(ENABLE_MANAGED_USERS)
+  // Check if the url would be blocked. If yes, don't add the prerender.
+  ManagedUserService* service =
+      ManagedUserServiceFactory::GetForProfile(profile_);
+  if (service->ProfileIsManaged()) {
+    ManagedModeURLFilter* filter = service->GetURLFilterForUIThread();
+    if (filter->GetFilteringBehaviorForURL(url_arg) ==
+        ManagedModeURLFilter::BLOCK)
+      return NULL;
+  }
+#endif
+
   if ((origin == ORIGIN_LINK_REL_PRERENDER_CROSSDOMAIN ||
        origin == ORIGIN_LINK_REL_PRERENDER_SAMEDOMAIN) &&
       IsGoogleSearchResultURL(referrer.url)) {
     origin = ORIGIN_GWS_PRERENDER;
   }
 
   GURL url = url_arg;
   GURL alias_url;
   uint8 experiment = GetQueryStringBasedExperiment(url_arg);
   if (IsControlGroup(experiment) &&
@@ skipping 444 matching lines @@
     logged_in_state_->erase(domain_key);
 }
 
 void PrerenderManager::LoggedInPredictorDataReceived(
     scoped_ptr<LoggedInStateMap> new_map) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   logged_in_state_.swap(new_map);
 }
 
 }  // namespace prerender