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

content/browser/chrome_blob_storage_context.cc

-// 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.
-
-#include "content/browser/chrome_blob_storage_context.h"
-
-#include "base/bind.h"
-#include "content/public/browser/browser_context.h"
-#include "webkit/blob/blob_storage_controller.h"
-
-using base::UserDataAdapter;
-using content::BrowserContext;
-using content::BrowserThread;
-using webkit_blob::BlobStorageController;
-
-static const char* kBlobStorageContextKeyName = "content_blob_storage_context";
-
-ChromeBlobStorageContext* ChromeBlobStorageContext::GetFor(
-    BrowserContext* context) {
-  if (!context->GetUserData(kBlobStorageContextKeyName)) {
-    scoped_refptr<ChromeBlobStorageContext> blob =
-        new ChromeBlobStorageContext();
-    context->SetUserData(kBlobStorageContextKeyName,
-                         new UserDataAdapter<ChromeBlobStorageContext>(blob));
-    // Check first to avoid memory leak in unittests.
-    if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
-      BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE,
-          base::Bind(&ChromeBlobStorageContext::InitializeOnIOThread, blob));
-    }
-  }
-
-  return UserDataAdapter<ChromeBlobStorageContext>::Get(
-      context, kBlobStorageContextKeyName);
-}
-
-ChromeBlobStorageContext::ChromeBlobStorageContext() {
-}
-
-void ChromeBlobStorageContext::InitializeOnIOThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  controller_.reset(new BlobStorageController());
-}
-
-ChromeBlobStorageContext::~ChromeBlobStorageContext() {
-}
-
-void ChromeBlobStorageContext::DeleteOnCorrectThread() const {
-  if (BrowserThread::IsMessageLoopValid(BrowserThread::IO) &&
-      !BrowserThread::CurrentlyOn(BrowserThread::IO)) {
-    BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this);
-    return;
-  }
-  delete this;
-}