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

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

 // 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.
 
 #include "chrome/browser/android/offline_pages/evaluation/offline_page_evaluation_bridge.h"
 
 #include "base/android/callback_android.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 283 matching lines @@
 
 void OfflinePageEvaluationBridge::OnChanged(const SavePageRequest& request) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_OfflinePageEvaluationBridge_savePageRequestChanged(
       env, obj, ToJavaSavePageRequest(env, request));
 }
 
+void OfflinePageEvaluationBridge::OnNetworkProgress(
+    const SavePageRequest& request,
+    int64_t received_bytes) {}
+
 void OfflinePageEvaluationBridge::CustomLog(const std::string& message) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_OfflinePageEvaluationBridge_log(env, obj,
                                        ConvertUTF8ToJavaString(env, kNativeTag),
                                        ConvertUTF8ToJavaString(env, message));
 }
 
@@ skipping 68 matching lines @@
     return;
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_OfflinePageEvaluationBridge_offlinePageModelLoaded(env, obj);
 }
 
 }  // namespace android
 }  // namespace offline_pages