[Refactor] Move the logic to update bounds for show type from WorkspaceLayoutManager to DefaultState

ash/wm/wm_types.h

 // Copyright 2013 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 ASH_WM_WM_TYPES_H_
 #define ASH_WM_WM_TYPES_H_
 
 #include "ash/ash_export.h"
 #include "ui/base/ui_base_types.h"
 
@@ skipping 25 matching lines @@
   SHOW_TYPE_RIGHT_SNAPPED,
 
   // A window is in this state when it is automatically placed and
   // sized by the window manager. (it's newly opened, or pushed to the side
   // due to new window, for example).
   SHOW_TYPE_AUTO_POSITIONED,
 };
 
 // Set of operations that can change the window's state.
 enum WMEvent {
+  // Following events are the request to become corresponding state.
+  // Note that this does not mean the window will be in corresponding
+  // state and the request may not be fullfilled.
+
+  // NORMAL is used as a restore operation with a few exceptions.
+  NORMAL,
+  MAXIMIZE,
+  MINIMIZE,
+  FULLSCREEN,
+  // TODO(oshima): Consolidate these two events.
+  SNAP_LEFT,
+  SNAP_RIGHT,
+
+  // Following events are compond events which may lead to different
+  // states depending on the current state.
+
   // A user requested to toggle maximized state by double clicking window
   // header.
   TOGGLE_MAXIMIZE_CAPTION,
 
   // A user requested to toggle maximized state using shortcut.
   TOGGLE_MAXIMIZE,
 
   // A user requested to toggle vertical maximize by double clicking
   // top/bottom edge.
   TOGGLE_VERTICAL_MAXIMIZE,
 
   // A user requested to toggle horizontal maximize by double clicking
   // left/right edge.
   TOGGLE_HORIZONTAL_MAXIMIZE,
+
+  // A user requested to toggle fullscreen state.
+  TOGGLE_FULLSCREEN,
+
+  // TODO(oshima): Investigate if this can be removed from ash.
+  // Widget requested to show in inactive state.
+  SHOW_INACTIVE,
 };
 
 // Utility functions to convert WindowShowType <-> ui::WindowShowState.
 // Note: LEFT/RIGHT MAXIMIZED, AUTO_POSITIONED type will be lost when
 // converting to ui::WindowShowState.
 ASH_EXPORT WindowShowType ToWindowShowType(ui::WindowShowState state);
 ASH_EXPORT ui::WindowShowState ToWindowShowState(WindowShowType type);
 
 // Returns true if |type| is SHOW_TYPE_MAXIMIZED or SHOW_TYPE_FULLSCREEN.
 ASH_EXPORT bool IsMaximizedOrFullscreenWindowShowType(WindowShowType type);
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_WM_TYPES_H_