Minor improvements to RecentTabHelper.

chrome/browser/android/offline_pages/recent_tab_helper.h

Index: chrome/browser/android/offline_pages/recent_tab_helper.h
diff --git a/chrome/browser/android/offline_pages/recent_tab_helper.h b/chrome/browser/android/offline_pages/recent_tab_helper.h
index 94c69e4ff1bd586eb30f75bfb41957955e2ebe7a..b57acb44cca0980a939c5e2c9c3cf0b6877f4813 100644
--- a/chrome/browser/android/offline_pages/recent_tab_helper.h
+++ b/chrome/browser/android/offline_pages/recent_tab_helper.h
@@ -102,18 +102,19 @@ class RecentTabHelper
   void ReportDownloadStatusToRequestCoordinator();
   bool IsSamePage() const;
   ClientId GetRecentPagesClientId() const;
+  bool isSnapshottingForLastN() const;

[dewittj, 2017/01/17 23:21:52]

This method feels like it should be part of DownloadPageInfo.

[carlosk, 2017/01/18 03:06:10]

Done.

 
   // Page model is a service, no ownership. Can be null - for example, in
   // case when tab is in incognito profile.
-  OfflinePageModel* page_model_;
+  OfflinePageModel* page_model_ = nullptr;
 
   // If false, never make snapshots off the attached WebContents.
   // Not page-specific.
-  bool snapshots_enabled_;
+  bool snapshots_enabled_ = false;
 
   // Becomes true during navigation if the page is ready for snapshot as
   // indicated by at least one callback from SnapshotController.
-  bool is_page_ready_for_snapshot_;
+  bool is_page_ready_for_snapshot_ = false;
 
   // Info for the offline page to capture. Null if the tab is not capturing
   // current page.