Introduce WorkerStoragePartitionId and use it in SharedWorkerInstance.

content/browser/worker_host/worker_storage_partition.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/worker_host/worker_storage_partition.h"
 
 #include <string>
 
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
@@ skipping 55 matching lines @@
   url_request_context_ = other.url_request_context_;
   media_url_request_context_ = other.media_url_request_context_;
   appcache_service_ = other.appcache_service_;
   quota_manager_ = other.quota_manager_;
   filesystem_context_ = other.filesystem_context_;
   database_tracker_ = other.database_tracker_;
   indexed_db_context_ = other.indexed_db_context_;
   service_worker_context_ = other.service_worker_context_;
 }
 
+WorkerStoragePartitionId::WorkerStoragePartitionId(
+    const WorkerStoragePartition& partition)
+    : url_request_context_(partition.url_request_context()),
+      media_url_request_context_(partition.media_url_request_context()),
+      appcache_service_(partition.appcache_service()),
+      quota_manager_(partition.quota_manager()),
+      filesystem_context_(partition.filesystem_context()),
+      database_tracker_(partition.database_tracker()),
+      indexed_db_context_(partition.indexed_db_context()),
+      service_worker_context_(partition.service_worker_context()) {
+}
+
+WorkerStoragePartitionId::~WorkerStoragePartitionId() {
+}
+
+bool WorkerStoragePartitionId::Equals(
+    const WorkerStoragePartitionId& other) const {
+  return url_request_context_ == other.url_request_context_ &&
+         media_url_request_context_ == other.media_url_request_context_ &&
+         appcache_service_ == other.appcache_service_ &&
+         quota_manager_ == other.quota_manager_ &&
+         filesystem_context_ == other.filesystem_context_ &&
+         database_tracker_ == other.database_tracker_ &&
+         indexed_db_context_ == other.indexed_db_context_ &&
+         service_worker_context_ == other.service_worker_context_;
+}
+
 }  // namespace content