Fix the Download Notifications for Offline Pages to indicate bytes loaded.

chrome/browser/android/offline_pages/evaluation/offline_page_evaluation_bridge.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 34 matching lines @@
   void OfflinePageAdded(OfflinePageModel* model,
                         const OfflinePageItem& added_page) override;
   void OfflinePageDeleted(int64_t offline_id,
                           const ClientId& client_id) override;
 
   // RequestCoordinator::Observer implementation.
   void OnAdded(const SavePageRequest& request) override;
   void OnCompleted(const SavePageRequest& request,
                    RequestNotifier::BackgroundSavePageResult status) override;
   void OnChanged(const SavePageRequest& request) override;
+  void OnNetworkProgress(const SavePageRequest& request,
+                         int64_t received_bytes) override;
 
   // OfflineEventLogger::Client implementation.
   void CustomLog(const std::string& message) override;
 
   // Gets all pages in offline page model.
   void GetAllPages(JNIEnv* env,
                    const base::android::JavaParamRef<jobject>& obj,
                    const base::android::JavaParamRef<jobject>& j_result_obj,
                    const base::android::JavaParamRef<jobject>& j_callback_obj);
 
@@ skipping 39 matching lines @@
   // Not owned.
   RequestCoordinator* request_coordinator_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageEvaluationBridge);
 };
 
 }  // namespace android
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_