Move c/b/webdata/ code to components/webdata/

chrome/browser/webdata/web_data_service_base.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/api/webdata/web_data_service_base.h"
-
-#include "base/bind.h"
-#include "base/message_loop.h"
-#include "base/stl_util.h"
-#include "base/threading/thread.h"
-#include "chrome/browser/webdata/web_database_service.h"
-#ifdef DEBUG
-#include "content/public/browser/browser_thread.h"
-#endif
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// WebDataServiceBase implementation.
-//
-////////////////////////////////////////////////////////////////////////////////
-
-using base::Bind;
-using base::Time;
-using content::BrowserThread;
-
-WebDataServiceBase::WebDataServiceBase(scoped_refptr<WebDatabaseService> wdbs,
-                                       const ProfileErrorCallback& callback)
-    : wdbs_(wdbs),
-      db_loaded_(false),
-      profile_error_callback_(callback) {
-  // WebDataService requires DB thread if instantiated.
-  // Set WebDataServiceFactory::GetInstance()->SetTestingFactory(&profile, NULL)
-  // if you do not want to instantiate WebDataService in your test.
-  DCHECK(BrowserThread::IsWellKnownThread(BrowserThread::DB));
-}
-
-void WebDataServiceBase::ShutdownOnUIThread() {
-  db_loaded_ = false;
-  BrowserThread::PostTask(
-      BrowserThread::DB, FROM_HERE,
-      base::Bind(&WebDataServiceBase::ShutdownOnDBThread, this));
-}
-
-void WebDataServiceBase::Init() {
-  DCHECK(wdbs_.get());
-  wdbs_->LoadDatabase(Bind(&WebDataServiceBase::DatabaseInitOnDB, this));
-}
-
-void WebDataServiceBase::UnloadDatabase() {
-  if (!wdbs_)
-    return;
-  wdbs_->UnloadDatabase();
-}
-
-void WebDataServiceBase::ShutdownDatabase() {
-  if (!wdbs_)
-    return;
-  wdbs_->ShutdownDatabase();
-}
-
-void WebDataServiceBase::CancelRequest(Handle h) {
-  if (!wdbs_)
-    return;
-  wdbs_->CancelRequest(h);
-}
-
-content::NotificationSource WebDataServiceBase::GetNotificationSource() {
-  return content::Source<WebDataServiceBase>(this);
-}
-
-bool WebDataServiceBase::IsDatabaseLoaded() {
-  return db_loaded_;
-}
-
-WebDatabase* WebDataServiceBase::GetDatabase() {
-  if (!wdbs_)
-    return NULL;
-  return wdbs_->GetDatabaseOnDB();
-}
-
-base::SupportsUserData* WebDataServiceBase::GetDBUserData() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
-  if (!db_thread_user_data_)
-    db_thread_user_data_.reset(new SupportsUserDataAggregatable());
-  return db_thread_user_data_.get();
-}
-
-WebDataServiceBase::~WebDataServiceBase() {
-  DCHECK(!db_thread_user_data_.get()) << "Forgot to call ShutdownOnUIThread?";
-}
-
-void WebDataServiceBase::ShutdownOnDBThread() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
-  db_thread_user_data_.reset();
-}
-
-void WebDataServiceBase::NotifyDatabaseLoadedOnUIThread() {}
-
-void WebDataServiceBase::DBInitFailed(sql::InitStatus sql_status) {
-  if (!profile_error_callback_.is_null())
-    profile_error_callback_.Run(sql_status);
-}
-
-void WebDataServiceBase::DBInitSucceeded() {
-  db_loaded_ = true;
-  NotifyDatabaseLoadedOnUIThread();
-}
-
-// Executed on DB thread.
-void WebDataServiceBase::DatabaseInitOnDB(sql::InitStatus status) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
-  if (status == sql::INIT_OK) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&WebDataServiceBase::DBInitSucceeded, this));
-  } else {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&WebDataServiceBase::DBInitFailed, this, status));
-  }
-}