[Offline pages] Detecting missing offline copy

chrome/browser/android/offline_pages/offline_page_bridge.h

Index: chrome/browser/android/offline_pages/offline_page_bridge.h
diff --git a/chrome/browser/android/offline_pages/offline_page_bridge.h b/chrome/browser/android/offline_pages/offline_page_bridge.h
index 74e30641307c59c7dd166b3c1067bb149ef85c09..c00fa146e069fae8aa316f3d318265dabbf9071d 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.h
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.h
@@ -37,6 +37,7 @@ class OfflinePageBridge : public OfflinePageModel::Observer {
   // OfflinePageModel::Observer implementation.
   void OfflinePageModelLoaded(OfflinePageModel* model) override;
   void OfflinePageModelChanged(OfflinePageModel* model) override;
+  void OfflinePageDeleted(int64 bookmark_id) override;
 
   void GetAllPages(JNIEnv* env,
                    jobject obj,
@@ -66,6 +67,8 @@ class OfflinePageBridge : public OfflinePageModel::Observer {
                    jobject j_callback_obj,
                    jlongArray bookmark_ids_array);
 
+  void CheckMetadataConsistency(JNIEnv* env, jobject obj);
+
  private:
   void NotifyIfDoneLoading() const;
   static base::FilePath GetDownloadsPath(