[Offline Pages] Remove need for OfflinePolicy when constructing an Offliner.

chrome/browser/android/offline_pages/prerendering_offliner.cc

 // Copyright 2016 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/android/offline_pages/prerendering_offliner.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/sys_info.h"
 #include "chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h"
@@ skipping 28 matching lines @@
   THIRD_PARTY_COOKIES_DISABLED,
   NETWORK_PREDICTION_DISABLED,
 };
 
 }  // namespace
 
 namespace offline_pages {
 
 PrerenderingOffliner::PrerenderingOffliner(
     content::BrowserContext* browser_context,
-    const OfflinerPolicy* policy,
     OfflinePageModel* offline_page_model)
     : browser_context_(browser_context),
       offline_page_model_(offline_page_model),
       pending_request_(nullptr),
       is_low_end_device_(base::SysInfo::IsLowEndDevice()),
       app_listener_(nullptr),
       weak_ptr_factory_(this) {}
 
 PrerenderingOffliner::~PrerenderingOffliner() {}
 
@@ skipping 203 matching lines @@
           base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES) {
     DVLOG(1) << "App became active, canceling current offlining request";
     SavePageRequest* request = pending_request_.get();
     Cancel();
     completion_callback_.Run(*request,
                              Offliner::RequestStatus::FOREGROUND_CANCELED);
   }
 }
 
 }  // namespace offline_pages