Last_n: Minor follow-up fixes post user interaction triggers.

chrome/browser/android/offline_pages/recent_tab_helper.cc

 // Copyright (c) 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/recent_tab_helper.h"
 
 #include <queue>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 36 matching lines @@
     return base::ThreadTaskRunnerHandle::Get();
   }
   bool GetTabId(content::WebContents* web_contents, int* tab_id) override {
     return offline_pages::OfflinePageUtils::GetTabId(web_contents, tab_id);
   }
 };
 }  // namespace
 
 namespace offline_pages {
 
+using PageQuality = SnapshotController::PageQuality;
+
 bool RecentTabHelper::SnapshotProgressInfo::IsForLastN() {
   // A last_n snapshot always has an invalid request id.
   return request_id == OfflinePageModel::kInvalidOfflineId;
 }
 
 RecentTabHelper::RecentTabHelper(content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       delegate_(new DefaultDelegate()),
       weak_ptr_factory_(this) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ skipping 61 matching lines @@
   if (snapshots_enabled_) {
     page_model_ = OfflinePageModelFactory::GetForBrowserContext(
         web_contents()->GetBrowserContext());
   }
 
   return snapshots_enabled_;
 }
 
 void RecentTabHelper::DidFinishNavigation(
     content::NavigationHandle* navigation_handle) {
-  if (!navigation_handle->IsInMainFrame() || navigation_handle->IsSamePage() ||
+  if (!navigation_handle->IsInMainFrame() ||
       !navigation_handle->HasCommitted()) {
     return;
   }
 
   if (!EnsureInitialized())
     return;
 
   // We navigated to a different page, lets report progress to Background
   // Offliner.
   if (downloads_latest_snapshot_info_)
@@ skipping 194 matching lines @@
   else
     request_coordinator->EnableForOffliner(snapshot_info->request_id,
                                            snapshot_info->client_id);
 }
 
 ClientId RecentTabHelper::GetRecentPagesClientId() const {
   return ClientId(kLastNNamespace, tab_id_);
 }
 
 }  // namespace offline_pages