[BlobStorage] Moving all blob files to applicable directories

content/browser/fileapi/chrome_blob_storage_context.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_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_
-#define CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/memory/ref_counted.h"
-#include "base/sequenced_task_runner_helpers.h"
-#include "content/common/content_export.h"
-
-namespace base {
-class FilePath;
-class Time;
-}
-
-namespace storage {
-class BlobStorageContext;
-}
-
-namespace content {
-class BlobHandle;
-class BrowserContext;
-struct ChromeBlobStorageContextDeleter;
-
-// A context class that keeps track of BlobStorageController used by the chrome.
-// There is an instance associated with each BrowserContext. There could be
-// multiple URLRequestContexts in the same browser context that refers to the
-// same instance.
-//
-// All methods, except the ctor, are expected to be called on
-// the IO thread (unless specifically called out in doc comments).
-class CONTENT_EXPORT ChromeBlobStorageContext
-    : public base::RefCountedThreadSafe<ChromeBlobStorageContext,
-                                        ChromeBlobStorageContextDeleter> {
- public:
-  ChromeBlobStorageContext();
-
-  static ChromeBlobStorageContext* GetFor(
-      BrowserContext* browser_context);
-
-  void InitializeOnIOThread();
-
-  storage::BlobStorageContext* context() const { return context_.get(); }
-
-  // Returns a NULL scoped_ptr on failure.
-  std::unique_ptr<BlobHandle> CreateMemoryBackedBlob(const char* data,
-                                                     size_t length);
-
-  // Returns a NULL scoped_ptr on failure.
-  std::unique_ptr<BlobHandle> CreateFileBackedBlob(
-      const base::FilePath& path,
-      int64_t offset,
-      int64_t size,
-      const base::Time& expected_modification_time);
-
- protected:
-  virtual ~ChromeBlobStorageContext();
-
- private:
-  friend class base::DeleteHelper<ChromeBlobStorageContext>;
-  friend class base::RefCountedThreadSafe<ChromeBlobStorageContext,
-                                          ChromeBlobStorageContextDeleter>;
-  friend struct ChromeBlobStorageContextDeleter;
-
-  void DeleteOnCorrectThread() const;
-
-  std::unique_ptr<storage::BlobStorageContext> context_;
-};
-
-struct ChromeBlobStorageContextDeleter {
-  static void Destruct(const ChromeBlobStorageContext* context) {
-    context->DeleteOnCorrectThread();
-  }
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_