Updates to PrerenderingOffliner and PrerenderingLoader interfaces to push PrerenderManager knowledge

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 "components/offline_pages/background/save_page_request.h"
+#include "content/public/browser/browser_context.h"
+
 namespace offline_pages {
 
-PrerenderingOffliner::PrerenderingOffliner(const OfflinerPolicy* policy,
-                                           PrerenderManager* prerender_manager,
-                                           OfflinePageModel* offline_page_model)
-    : loader_(new PrerenderingLoader(prerender_manager)) {}
+PrerenderingOffliner::PrerenderingOffliner(
+    content::BrowserContext* browser_context,
+    const OfflinerPolicy* policy,
+    OfflinePageModel* offline_page_model)
+    : PrerenderingOffliner(browser_context,
+                           policy,
+                           offline_page_model,
+                           new PrerenderingLoader(browser_context)) {}
+
+PrerenderingOffliner::PrerenderingOffliner(
+    content::BrowserContext* browser_context,
+    const OfflinerPolicy* policy,
+    OfflinePageModel* offline_page_model,
+    PrerenderingLoader* loader)
+    : offline_page_model_(offline_page_model),
+      loader_(loader),
+      weak_ptr_factory_(this) {}
 
 PrerenderingOffliner::~PrerenderingOffliner() {}
 
+void PrerenderingOffliner::OnLoadPageDone(
+    const Offliner::CompletionStatus load_status,
+    content::WebContents* contents) {
+  // TODO(dougarnett): Implement save attempt and running CompletionCallback.
+}
+
 bool PrerenderingOffliner::LoadAndSave(const SavePageRequest& request,
                                        const CompletionCallback& callback) {
-  // TODO(dougarnett): implement.
-  return false;
+  if (!offline_page_model_->CanSavePage(request.url()))
+    return false;
+
+  // Kick off load page attempt.
+  return (loader_->LoadPage(request.url(),
+                            base::Bind(&PrerenderingOffliner::OnLoadPageDone,
+                                       weak_ptr_factory_.GetWeakPtr())));
 }
 
 void PrerenderingOffliner::Cancel() {
   loader_->StopLoading();
 }
 
 }  // namespace offline_pages