[Offline pages]: Move logic for whether to consider the DocumentAvailableInMainFrame signal to the …

chrome/browser/android/offline_pages/background_loader_offliner.h

Index: chrome/browser/android/offline_pages/background_loader_offliner.h
diff --git a/chrome/browser/android/offline_pages/background_loader_offliner.h b/chrome/browser/android/offline_pages/background_loader_offliner.h
index 25378b73e41864d594e793efe253f50f4c63f74d..b3eb52ff7587cb2e6c610d0cc183bc740b0f54ef 100644
--- a/chrome/browser/android/offline_pages/background_loader_offliner.h
+++ b/chrome/browser/android/offline_pages/background_loader_offliner.h
@@ -57,7 +57,7 @@ class BackgroundLoaderOffliner : public Offliner,
   // SnapshotController::Client implementation.
   void StartSnapshot() override;
 
-  void SetPageDelayForTest(long delay_ms);
+  void SetSnapshotControllerForTest(SnapshotController* controller);
   void OnNetworkBytesChanged(int64_t bytes);
 
  protected:
@@ -103,8 +103,6 @@ class BackgroundLoaderOffliner : public Offliner,
   SaveState save_state_;
   // Page load state.
   PageLoadState page_load_state_;
-  // Seconds to delay before taking snapshot.
-  long page_delay_ms_;
   // Network bytes loaded.
   int64_t network_bytes_;
   // Whether the low bar of snapshot quality has been met.