Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/extensions/extension_data_deleter.cc

-// 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.
-
-#include "chrome/browser/extensions/extension_data_deleter.h"
-
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/settings/settings_frontend.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/chrome_constants.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/dom_storage_context.h"
-#include "content/public/browser/indexed_db_context.h"
-#include "content/public/browser/resource_context.h"
-#include "net/base/completion_callback.h"
-#include "net/base/net_errors.h"
-#include "net/cookies/cookie_monster.h"
-#include "net/url_request/url_request_context.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "webkit/appcache/appcache_service.h"
-#include "webkit/database/database_tracker.h"
-#include "webkit/database/database_util.h"
-#include "webkit/fileapi/file_system_context.h"
-
-using content::BrowserContext;
-using content::BrowserThread;
-using content::DOMStorageContext;
-using content::IndexedDBContext;
-using content::ResourceContext;
-
-// static
-void ExtensionDataDeleter::StartDeleting(
-    Profile* profile,
-    const std::string& extension_id,
-    const GURL& storage_origin,
-    bool is_storage_isolated) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(profile);
-  scoped_refptr<ExtensionDataDeleter> deleter =
-      new ExtensionDataDeleter(
-          profile, extension_id, storage_origin, is_storage_isolated);
-
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(
-          &ExtensionDataDeleter::DeleteCookiesOnIOThread, deleter));
-
-  BrowserContext::GetDefaultDOMStorageContext(profile)->DeleteOrigin(
-      storage_origin);
-
-  BrowserThread::PostTask(
-      BrowserThread::WEBKIT_DEPRECATED, FROM_HERE,
-      base::Bind(
-          &ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread, deleter,
-          make_scoped_refptr(BrowserContext::GetIndexedDBContext(profile))));
-
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(
-          &ExtensionDataDeleter::DeleteDatabaseOnFileThread, deleter));
-
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(
-          &ExtensionDataDeleter::DeleteFileSystemOnFileThread, deleter));
-
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(
-          &ExtensionDataDeleter::DeleteAppcachesOnIOThread, deleter,
-          profile->GetResourceContext()));
-
-  profile->GetExtensionService()->settings_frontend()->
-      DeleteStorageSoon(extension_id);
-}
-
-ExtensionDataDeleter::ExtensionDataDeleter(
-    Profile* profile,
-    const std::string& extension_id,
-    const GURL& storage_origin,
-    bool is_storage_isolated)
-    : extension_id_(extension_id) {
-  database_tracker_ = BrowserContext::GetDatabaseTracker(profile);
-  // Pick the right request context depending on whether it's an extension,
-  // isolated app, or regular app.
-  if (storage_origin.SchemeIs(chrome::kExtensionScheme)) {
-    extension_request_context_ = profile->GetRequestContextForExtensions();
-  } else if (is_storage_isolated) {
-    extension_request_context_ =
-        profile->GetRequestContextForIsolatedApp(extension_id);
-    isolated_app_path_ = profile->GetPath().
-        Append(chrome::kIsolatedAppStateDirname).AppendASCII(extension_id);
-  } else {
-    extension_request_context_ = profile->GetRequestContext();
-  }
-  file_system_context_ = BrowserContext::GetFileSystemContext(profile);
-  storage_origin_ = storage_origin;
-  origin_id_ =
-      webkit_database::DatabaseUtil::GetOriginIdentifier(storage_origin_);
-}
-
-ExtensionDataDeleter::~ExtensionDataDeleter() {
-}
-
-void ExtensionDataDeleter::DeleteCookiesOnIOThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  net::CookieMonster* cookie_monster =
-      extension_request_context_->GetURLRequestContext()->cookie_store()->
-          GetCookieMonster();
-  if (cookie_monster)
-    cookie_monster->DeleteAllForHostAsync(
-        storage_origin_, net::CookieMonster::DeleteCallback());
-}
-
-void ExtensionDataDeleter::DeleteDatabaseOnFileThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  int rv = database_tracker_->DeleteDataForOrigin(
-      origin_id_, net::CompletionCallback());
-  DCHECK(rv == net::OK || rv == net::ERR_IO_PENDING);
-}
-
-void ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread(
-    scoped_refptr<IndexedDBContext> indexed_db_context) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT_DEPRECATED));
-  indexed_db_context->DeleteForOrigin(storage_origin_);
-}
-
-void ExtensionDataDeleter::DeleteFileSystemOnFileThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  file_system_context_->DeleteDataForOriginOnFileThread(storage_origin_);
-
-  // TODO(creis): The following call fails because the request context is still
-  // around, and holding open file handles in this directory.
-  // See http://crbug.com/85127
-  if (!isolated_app_path_.empty())
-    file_util::Delete(isolated_app_path_, true);
-}
-
-void ExtensionDataDeleter::DeleteAppcachesOnIOThread(ResourceContext* context) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  ResourceContext::GetAppCacheService(context)->DeleteAppCachesForOrigin(
-      storage_origin_, net::CompletionCallback());
-}