Refactoring of SessionService to get componentized.

chrome/browser/sessions/session_types.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_SESSIONS_SESSION_TYPES_H_
 #define CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_
 
 #include <algorithm>
 #include <string>
 #include <vector>
@@ skipping 91 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SessionTab);
 };
 
 // SessionWindow -------------------------------------------------------------
 
 // Describes a saved window.
 struct SessionWindow {
   SessionWindow();
   ~SessionWindow();
 
+  // Possible window types which can be stored here.
+  enum WindowType {
+    TYPE_TABBED = 0,
+    TYPE_POPUP = 1
+  };
+
   // Convert this object into its sync protocol buffer equivalent. Note that
   // not all fields are synced here, because they don't all make sense or
   // translate when restoring a SessionWindow on another device.
   sync_pb::SessionWindow ToSyncData() const;
 
   // Identifier of the window.
   SessionID window_id;
 
   // Bounds of the window.
   gfx::Rect bounds;
 
   // Index of the selected tab in tabs; -1 if no tab is selected. After restore
   // this value is guaranteed to be a valid index into tabs.
   //
   // NOTE: when the service is creating SessionWindows, initially this
   // corresponds to SessionTab.tab_visual_index, not the index in
   // tabs. When done creating though, this is set to the index in
   // tabs.
   int selected_tab_index;
 
-  // Type of the browser. Currently we only store browsers of type
-  // TYPE_TABBED and TYPE_POPUP.
-  // This would be Browser::Type, but that would cause a circular dependency.
-  int type;
+  // Type of the window. Note: This type is used to determine if the window gets
+  // saved or not.
+  WindowType type;
 
   // If true, the window is constrained.
   //
   // Currently SessionService prunes all constrained windows so that session
   // restore does not attempt to restore them.
   bool is_constrained;
 
   // Timestamp for when this window was last modified.
   base::Time timestamp;
 
   // The tabs, ordered by visual order.
   std::vector<SessionTab*> tabs;
 
   // Is the window maximized, minimized, or normal?
   ui::WindowShowState show_state;
 
   std::string app_name;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SessionWindow);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_