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

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 52de41efccd135f288d49c00d0fe9129983858bc..4147468e76503ce0f36207e2270f4605fcf66dcb 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.h
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.h
@@ -39,7 +39,6 @@ class OfflinePageBridge : public OfflinePageModel::Observer,
   ~OfflinePageBridge() override;
 
   // OfflinePageModel::Observer implementation.
-  void OfflinePageModelLoaded(OfflinePageModel* model) override;
   void OfflinePageAdded(OfflinePageModel* model,
                         const OfflinePageItem& added_page) override;
   void OfflinePageDeleted(int64_t offline_id,
@@ -123,8 +122,6 @@ class OfflinePageBridge : public OfflinePageModel::Observer,
   base::android::ScopedJavaGlobalRef<jobject> java_ref() { return java_ref_; }
 
  private:
-  void NotifyIfDoneLoading() const;
-
   base::android::ScopedJavaLocalRef<jobject> CreateClientId(
       JNIEnv* env,
       const ClientId& clientId) const;