Remove docked windows entirely in M59.

ash/common/wm/wm_event.h

 // 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.
 
 #ifndef ASH_COMMON_WM_WM_EVENT_H_
 #define ASH_COMMON_WM_WM_EVENT_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/wm/wm_types.h"
 #include "base/macros.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ash {
 namespace wm {
 
 // WMEventType defines a set of operations that can change the
 // window's state type and bounds.
 enum WMEventType {
   // 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.
   WM_EVENT_NORMAL,
   WM_EVENT_MAXIMIZE,
   WM_EVENT_MINIMIZE,
   WM_EVENT_FULLSCREEN,
   WM_EVENT_SNAP_LEFT,
   WM_EVENT_SNAP_RIGHT,
-  WM_EVENT_DOCK,
 
   // A window is requested to be the given bounds. The request may or
   // may not be fulfilled depending on the requested bounds and window's
   // state. This will not change the window state type.
   WM_EVENT_SET_BOUNDS,
 
   // 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.
   WM_EVENT_TOGGLE_MAXIMIZE_CAPTION,
 
   // A user requested to toggle maximized state using shortcut.
   WM_EVENT_TOGGLE_MAXIMIZE,
 
   // A user requested to toggle vertical maximize by double clicking
   // top/bottom edge.
   WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE,
 
   // A user requested to toggle horizontal maximize by double clicking
   // left/right edge.
   WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE,
 
   // A user requested to toggle fullscreen state.
   WM_EVENT_TOGGLE_FULLSCREEN,
 
-  // A user requested a cycle of dock and snap left.
+  // A user requested a cycle of snap left.
   // The way this event is processed is the current window state is used as
   // the starting state. Assuming normal window start state; if the window can
-  // be snapped left, snap it; otherwise progress to next state. If the window
-  // can be docked left, dock it; otherwise progress to next state. If the
+  // be snapped left, snap it; otherwise progress to next state. If the
   // window can be restored; and this isn't the entry condition restore it;
   // otherwise apply the bounce animation to the window.
-  WM_EVENT_CYCLE_SNAP_DOCK_LEFT,
+  WM_EVENT_CYCLE_SNAP_LEFT,
 
-  // A user requested a cycle of dock and snap right.
-  // See decription of WM_EVENT_CYCLE_SNAP_DOCK_LEFT.
-  WM_EVENT_CYCLE_SNAP_DOCK_RIGHT,
+  // A user requested a cycle of snap right.
+  // See decription of WM_EVENT_CYCLE_SNAP_LEFT.
+  WM_EVENT_CYCLE_SNAP_RIGHT,
 
   // A user requested to center a window.
   WM_EVENT_CENTER,
 
   // TODO(oshima): Investigate if this can be removed from ash.
   // Widget requested to show in inactive state.
   WM_EVENT_SHOW_INACTIVE,
 
   // Following events are generated when the workspace envrionment has changed.
   // The window's state type will not be changed by these events.
@@ skipping 40 matching lines @@
  private:
   gfx::Rect requested_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(SetBoundsEvent);
 };
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_WM_EVENT_H_