Redo the Storage Partition directory layout to support guest tags and origin based partitions.

content/public/browser/storage_partition.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
 #define CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_
 
+#include <string>
+
 #include "base/basictypes.h"
+#include "base/file_path.h"
 
 namespace appcache {
 class AppCacheService;
 }
 
 namespace fileapi {
 class FileSystemContext;
 }
 
 namespace quota {
@@ skipping 11 matching lines @@
 class DOMStorageContext;
 
 // Defines what persistent state a child process can access.
 //
 // The StoragePartition defines the view each child process has of the
 // persistent state inside the BrowserContext. This is used to implement
 // isolated storage where a renderer with isolated storage cannot see
 // the cookies, localStorage, etc., that normal web renderers have access to.
 class StoragePartition {
  public:
+  virtual FilePath GetPath() = 0;
   virtual quota::QuotaManager* GetQuotaManager() = 0;
   virtual appcache::AppCacheService* GetAppCacheService() = 0;
   virtual fileapi::FileSystemContext* GetFileSystemContext() = 0;
   virtual webkit_database::DatabaseTracker* GetDatabaseTracker() = 0;
   virtual DOMStorageContext* GetDOMStorageContext() = 0;
   virtual IndexedDBContext* GetIndexedDBContext() = 0;
 
+  // Returns the base directory under which all the storage contexts hold their
+  // state for this partition.  The |profile_path| should be the base directory
+  // for this profile.
+  //
+  // TODO(ajwong): Remove this function from the public API once
+  // URLRequestContextGetter's creation is moved into StoragePartition.
+  static CONTENT_EXPORT FilePath GetPartitionPath(
+      const FilePath& profile_path,
+      const std::string& partition_id);
+
  protected:
   virtual ~StoragePartition() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_STORAGE_PARTITION_H_