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

ash/wm/lock_window_state.cc

 // Copyright 2014 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 "ash/wm/lock_window_state.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/wm/lock_layout_manager.h"
 #include "ash/wm/window_animations.h"
@@ skipping 27 matching lines @@
     case wm::WM_EVENT_TOGGLE_FULLSCREEN:
       ToggleFullScreen(window_state, window_state->delegate());
       break;
     case wm::WM_EVENT_FULLSCREEN:
       UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_FULLSCREEN);
       break;
     case wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
     case wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_MAXIMIZE:
+    case wm::WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
+    case wm::WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
     case wm::WM_EVENT_CENTER:
     case wm::WM_EVENT_SNAP_LEFT:
     case wm::WM_EVENT_SNAP_RIGHT:
     case wm::WM_EVENT_NORMAL:
     case wm::WM_EVENT_MAXIMIZE:
     case wm::WM_EVENT_DOCK:
       UpdateWindow(window_state,
                    GetMaximizedOrCenteredWindowType(window_state));
       return;
     case wm::WM_EVENT_MINIMIZE:
@@ skipping 118 matching lines @@
 
   gfx::Rect bounds =
       ScreenUtil::GetDisplayBoundsInParent(window_state->window());
   bounds.set_height(bounds.height() - keyboard_bounds.height());
 
   VLOG(1) << "Updating window bounds to: " << bounds.ToString();
   window_state->SetBoundsDirect(bounds);
 }
 
 }  // namespace ash