Change behaviour of the Alt-] and Alt-[ keys so that it cycles through SnapLeft/SnapRight to DockLe…

ash/wm/workspace/workspace_layout_manager.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 ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
 #define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
 
 #include <set>
 
 #include "ash/ash_export.h"
@@ skipping 73 matching lines @@
                                      const gfx::Rect& new_bounds) OVERRIDE;
 
   // aura::client::ActivationChangeObserver overrides:
   virtual void OnWindowActivated(aura::Window* gained_active,
                                  aura::Window* lost_active) OVERRIDE;
 
   // keyboard::KeyboardControllerObserver overrides:
   virtual void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) OVERRIDE;
 
   // WindowStateObserver overrides:
+  virtual void OnPreWindowStateTypeChange(
+      wm::WindowState* window_state,
+      wm::WindowStateType old_type) OVERRIDE;
+
   virtual void OnPostWindowStateTypeChange(
       wm::WindowState* window_state,
       wm::WindowStateType old_type) OVERRIDE;
 
  private:
   typedef std::set<aura::Window*> WindowSet;
 
   // Adjusts the bounds of all managed windows when the display area changes.
   // This happens when the display size, work area insets has changed.
   // If this is called for a display size change (i.e. |event|
@@ skipping 38 matching lines @@
   // A window which covers the full container and which gets inserted behind the
   // topmost visible window.
   scoped_ptr<WorkspaceLayoutManagerDelegate> backdrop_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_