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

chrome/browser/android/offline_pages/prerendering_offliner_unittest.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 <memory>
 
 #include "base/bind.h"
 #include "base/run_loop.h"
@@ skipping 170 matching lines @@
 
 PrerenderingOfflinerTest::PrerenderingOfflinerTest()
     : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
       completion_callback_called_(false),
       request_status_(Offliner::RequestStatus::UNKNOWN) {}
 
 PrerenderingOfflinerTest::~PrerenderingOfflinerTest() {}
 
 void PrerenderingOfflinerTest::SetUp() {
   model_ = new MockOfflinePageModel();
-  offliner_.reset(new PrerenderingOffliner(profile(), nullptr, model_));
+  offliner_.reset(new PrerenderingOffliner(profile(), model_));
   std::unique_ptr<MockPrerenderingLoader> mock_loader(
       new MockPrerenderingLoader(nullptr));
   loader_ = mock_loader.get();
   offliner_->SetLoaderForTesting(std::move(mock_loader));
 }
 
 void PrerenderingOfflinerTest::OnCompletion(const SavePageRequest& request,
                                             Offliner::RequestStatus status) {
   DCHECK(!completion_callback_called_);  // Expect single callback per request.
   completion_callback_called_ = true;
@@ skipping 191 matching lines @@
   EXPECT_FALSE(loader()->IsIdle());
 
   offliner()->SetApplicationStateForTesting(
       base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES);
 
   // Loader still loading since not low-end device.
   EXPECT_FALSE(loader()->IsIdle());
 }
 
 }  // namespace offline_pages