Remove unused fields from //content.

content/browser/appcache/appcache_storage_impl.cc

 // Copyright (c) 2012 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 "content/browser/appcache/appcache_storage_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 1716 matching lines @@
 }
 
 void AppCacheStorageImpl::StoreEvictionTimes(AppCacheGroup* group) {
   scoped_refptr<UpdateEvictionTimesTask> task(
       new UpdateEvictionTimesTask(this, group));
   task->Schedule();
 }
 
 AppCacheResponseReader* AppCacheStorageImpl::CreateResponseReader(
     const GURL& manifest_url,
-    int64_t group_id,
     int64_t response_id) {
-  return new AppCacheResponseReader(response_id, group_id,
-                                    disk_cache()->GetWeakPtr());
+  return new AppCacheResponseReader(response_id, disk_cache()->GetWeakPtr());
 }
 
 AppCacheResponseWriter* AppCacheStorageImpl::CreateResponseWriter(
-    const GURL& manifest_url,
-    int64_t group_id) {
-  return new AppCacheResponseWriter(NewResponseId(), group_id,
+    const GURL& manifest_url) {
+  return new AppCacheResponseWriter(NewResponseId(),
                                     disk_cache()->GetWeakPtr());
 }
 
 AppCacheResponseMetadataWriter*
-AppCacheStorageImpl::CreateResponseMetadataWriter(int64_t group_id,
-                                                  int64_t response_id) {
-  return new AppCacheResponseMetadataWriter(response_id, group_id,
+AppCacheStorageImpl::CreateResponseMetadataWriter(int64_t response_id) {
+  return new AppCacheResponseMetadataWriter(response_id,
                                             disk_cache()->GetWeakPtr());
 }
 
 void AppCacheStorageImpl::DoomResponses(
     const GURL& manifest_url,
     const std::vector<int64_t>& response_ids) {
   if (response_ids.empty())
     return;
 
   // Start deleting them from the disk cache lazily.
@@ skipping 223 matching lines @@
 
 void AppCacheStorageImpl::OnLazyCommitTimer() {
   lazy_commit_timer_.Stop();
   if (is_disabled())
     return;
   scoped_refptr<DatabaseTask> task(new CommitLastAccessTimesTask(this));
   task->Schedule();
 }
 
 }  // namespace content