[OfflinePages] Hook the background loader offliner to the request coordinator based on finch flag s…

chrome/browser/android/offline_pages/background_loader_offliner_factory.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/background_loader_offliner_factory.h"
+
+#include "chrome/browser/android/offline_pages/background_loader_offliner.h"
+#include "chrome/browser/android/offline_pages/offline_page_model_factory.h"
+
+namespace offline_pages {
+
+class OfflinerPolicy;
+
+BackgroundLoaderOfflinerFactory::BackgroundLoaderOfflinerFactory(
+    content::BrowserContext* context) {
+  offliner_ = nullptr;
+  context_ = context;
+}
+
+BackgroundLoaderOfflinerFactory::~BackgroundLoaderOfflinerFactory() {
+  delete offliner_;
+}
+
+Offliner* BackgroundLoaderOfflinerFactory::GetOffliner(

[Pete Williamson, 2016/12/17 01:26:26]

A test for this method would be good.  (It's OK to defer it to a later patch,
but I'd like to see one)

[chili, 2016/12/21 18:01:48]

Per discussion, I may be removing the factory altogether in follow up patch

+    const OfflinerPolicy* policy) {
+  if (offliner_ == nullptr) {
+    OfflinePageModel* model =
+        OfflinePageModelFactory::GetInstance()->GetForBrowserContext(context_);
+
+    offliner_ = new BackgroundLoaderOffliner(context_, policy, model);
+  }
+
+  return offliner_;
+}
+
+} // namespace offline_pages