Rename content/{common,browser}/file_system to fileapi and move blob stuff into it.

content/browser/chrome_blob_storage_context.h

-// Copyright (c) 2011 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_CHROME_BLOB_STORAGE_CONTEXT_H_
-#define CONTENT_BROWSER_CHROME_BLOB_STORAGE_CONTEXT_H_
-#pragma once
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop_helpers.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace webkit_blob {
-class BlobStorageController;
-}
-
-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:
-  static ChromeBlobStorageContext* GetFor(
-      content::BrowserContext* browser_context);
-
-  ChromeBlobStorageContext();
-  virtual ~ChromeBlobStorageContext();
-
-  void InitializeOnIOThread();
-
-  webkit_blob::BlobStorageController* controller() const {
-    return controller_.get();
-  }
-
- private:
-  friend struct ChromeBlobStorageContextDeleter;
-
-  void DeleteOnCorrectThread() const;
-
-  scoped_ptr<webkit_blob::BlobStorageController> controller_;
-};
-
-struct ChromeBlobStorageContextDeleter {
-  static void Destruct(const ChromeBlobStorageContext* context) {
-    context->DeleteOnCorrectThread();
-  }
-};
-
-#endif  // CONTENT_BROWSER_CHROME_BLOB_STORAGE_CONTEXT_H_