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

chrome/browser/android/offline_pages/prerendering_offliner.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_PRERENDERING_OFFLINER_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_PRERENDERING_OFFLINER_H_
 
 #include <memory>
 
 #include "base/android/application_status_listener.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/android/offline_pages/prerendering_loader.h"
 #include "components/offline_pages/core/background/offliner.h"
 #include "components/offline_pages/core/offline_page_model.h"
 #include "components/offline_pages/core/offline_page_types.h"
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }  // namespace content
 
 namespace offline_pages {
 
-class OfflinerPolicy;
-
 // An Offliner implementation that attempts client-side rendering and saving
 // of an offline page. It uses the PrerenderingLoader to load the page and
 // the OfflinePageModel to save it. Only one request may be active at a time.
 class PrerenderingOffliner : public Offliner {
  public:
   PrerenderingOffliner(content::BrowserContext* browser_context,
-                       const OfflinerPolicy* policy,
                        OfflinePageModel* offline_page_model);
   ~PrerenderingOffliner() override;
 
   // Offliner implementation.
   bool LoadAndSave(const SavePageRequest& request,
                    const CompletionCallback& callback) override;
   void Cancel() override;
 
   // Allows a loader to be injected for testing. This may only be done once
   // and must be called before any of the Offliner interface methods are called.
@@ skipping 46 matching lines @@
   // ApplicationStatusListener to monitor if the Chrome moves to the foreground.
   std::unique_ptr<base::android::ApplicationStatusListener> app_listener_;
   base::WeakPtrFactory<PrerenderingOffliner> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderingOffliner);
 };
 
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_PRERENDERING_OFFLINER_H_