Kill WebDataService, move (WIN only) Password code into separate class.

chrome/browser/webdata/password_web_data_service_win.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 CHROME_BROWSER_WEBDATA_PASSWORD_WEB_DATA_SERVICE_WIN_H_
+#define CHROME_BROWSER_WEBDATA_PASSWORD_WEB_DATA_SERVICE_WIN_H_
+
+#include <vector>
+
+#include "base/memory/ref_counted.h"
+#include "base/sequenced_task_runner_helpers.h"
+#include "components/webdata/common/web_data_results.h"
+#include "components/webdata/common/web_data_service_base.h"
+#include "components/webdata/common/web_data_service_consumer.h"
+#include "components/webdata/common/web_database.h"
+
+class GURL;
+struct IE7PasswordInfo;
+class Profile;
+class WebDatabaseService;
+
+namespace base {
+class Thread;
+}
+
+namespace content {
+class BrowserContext;
+}
+
+// PasswordWebDataService is used to access IE7/8 Password data stored in the
+// web database. All data is retrieved and archived in an asynchronous way.
+
+class WebDataServiceConsumer;
+
+class PasswordWebDataService : public WebDataServiceBase {
+ public:
+  // Retrieves a WebDataService for the given context.
+  static scoped_refptr<PasswordWebDataService> FromBrowserContext(
+      content::BrowserContext* context);
+
+  PasswordWebDataService(scoped_refptr<WebDatabaseService> wdbs,
+                         const ProfileErrorCallback& callback);
+
+  // Adds |info| to the list of imported passwords from ie7/ie8.
+  void AddIE7Login(const IE7PasswordInfo& info);
+
+  // Removes |info| from the list of imported passwords from ie7/ie8.
+  void RemoveIE7Login(const IE7PasswordInfo& info);
+
+  // Gets the login matching the information in |info|. |consumer| will be
+  // notified when the request is done. The result is of type
+  // WDResult<IE7PasswordInfo>.
+  // If there is no match, the fields of the IE7PasswordInfo will be empty.
+  // All requests return a handle. The handle can be used to cancel the request.
+  Handle GetIE7Login(const IE7PasswordInfo& info,
+                     WebDataServiceConsumer* consumer);
+
+ protected:
+  // For unit tests, passes a null callback.
+  PasswordWebDataService();
+
+  virtual ~PasswordWebDataService();
+
+ private:
+  // The following methods are only invoked on the DB thread.
+  WebDatabase::State AddIE7LoginImpl(const IE7PasswordInfo& info,
+                                     WebDatabase* db);
+  WebDatabase::State RemoveIE7LoginImpl(const IE7PasswordInfo& info,
+                                        WebDatabase* db);
+  scoped_ptr<WDTypedResult> GetIE7LoginImpl(const IE7PasswordInfo& info,
+                                            WebDatabase* db);
+
+  DISALLOW_COPY_AND_ASSIGN(PasswordWebDataService);
+};
+
+#endif  // CHROME_BROWSER_WEBDATA_PASSWORD_WEB_DATA_SERVICE_WIN_H_