[Offline Pages] Snapshotting on timeout of last retry.

chrome/browser/android/offline_pages/prerendering_loader.h

Index: chrome/browser/android/offline_pages/prerendering_loader.h
diff --git a/chrome/browser/android/offline_pages/prerendering_loader.h b/chrome/browser/android/offline_pages/prerendering_loader.h
index df541103861981443ec90739bcb7acbced0e423a..2a16d71eddfe77b91db87789be6ca1a0616dccb7 100644
--- a/chrome/browser/android/offline_pages/prerendering_loader.h
+++ b/chrome/browser/android/offline_pages/prerendering_loader.h
@@ -74,6 +74,9 @@ class PrerenderingLoader : public PrerenderAdapter::Observer,
   // SnapshotController::Client implementation:
   void StartSnapshot() override;
 
+  // Returns true if the lowbar of snapshotting a page is met.
+  bool IsLowbarMet();
+
  private:
   // State of the loader (only one request may be active at a time).
   enum class State {
@@ -116,6 +119,9 @@ class PrerenderingLoader : public PrerenderAdapter::Observer,
   // canceled.
   LoadPageCallback callback_;
 
+  // True if the lowbar of snapshotting a page is met.
+  bool is_lowbar_met_;
+
   DISALLOW_COPY_AND_ASSIGN(PrerenderingLoader);
 };