[Offline Pages] Remove load state from public OfflinePageModel API.

components/offline_pages/core/offline_page_model_impl.cc

Index: components/offline_pages/core/offline_page_model_impl.cc
diff --git a/components/offline_pages/core/offline_page_model_impl.cc b/components/offline_pages/core/offline_page_model_impl.cc
index 011dfbe2a1670cf224c0f9d3590e227b9ee7c57f..7466f1f145a505eccddf8711d17fc54f86ee8cf0 100644
--- a/components/offline_pages/core/offline_page_model_impl.cc
+++ b/components/offline_pages/core/offline_page_model_impl.cc
@@ -665,10 +665,6 @@ OfflinePageStorageManager* OfflinePageModelImpl::GetStorageManager() {
   return storage_manager_.get();
 }
 
-bool OfflinePageModelImpl::is_loaded() const {
-  return is_loaded_;
-}
-
 OfflineEventLogger* OfflinePageModelImpl::GetLogger() {
   return &offline_event_logger_;
 }
@@ -831,10 +827,6 @@ void OfflinePageModelImpl::FinalizeModelLoad() {
   // All actions below are meant to be taken regardless of successful load of
   // the store.
 
-  // Inform observers the load is done.
-  for (Observer& observer : observers_)
-    observer.OfflinePageModelLoaded(this);
-
   // Run all the delayed tasks.
   for (const auto& delayed_task : delayed_tasks_)
     delayed_task.Run();