Move StoragePartition into content/public and remove BrowserContext::GetDOMStorageContext().

content/browser/storage_partition_map.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_BROWSER_STORAGE_PARTITION_MAP_H_
-#define CONTENT_BROWSER_STORAGE_PARTITION_MAP_H_
-
-#include <map>
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/supports_user_data.h"
-
-class FilePath;
-
-namespace content {
-
-class BrowserContext;
-class StoragePartition;
-
-// A std::string to StoragePartition map for use with SupportsUserData APIs.
-class StoragePartitionMap : public base::SupportsUserData::Data {
- public:
-  explicit StoragePartitionMap(BrowserContext* browser_context);
-
-  virtual ~StoragePartitionMap();
-
-  // This map retains ownership of the returned StoragePartition objects.
-  StoragePartition* Get(const std::string& partition_id);
-
-  void ForEach(const base::Callback<void(StoragePartition*)>& callback);
-
- private:
-  // This must always be called *after* |partition| has been added to the
-  // partitions_.
-  //
-  // TODO(ajwong): Is there a way to make it so that Get()'s implementation
-  // doesn't need to be aware of this ordering?  Revisit when refactoring
-  // ResourceContext and AppCache to respect storage partitions.
-  void PostCreateInitialization(StoragePartition* partition,
-                                const FilePath& partition_path);
-
-  BrowserContext* browser_context_;  // Not Owned.
-  std::map<std::string, StoragePartition*> partitions_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_STORAGE_PARTITION_MAP_H_