Disable left/right/maximize for panels.

ash/wm/workspace/frame_maximize_button.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_FRAME_MAXIMIZE_BUTTON_H_
 #define ASH_WM_WORKSPACE_FRAME_MAXIMIZE_BUTTON_H_
 
 #include "ash/ash_export.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/controls/button/image_button.h"
@@ skipping 17 matching lines @@
   virtual ~FrameMaximizeButton();
 
   // ImageButton overrides:
   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const views::MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
 
+  void set_is_left_right_enabled(bool e) { is_left_right_enabled_ = e; }
+  void set_is_maximize_enabled(bool e) { is_maximize_enabled_ = e; }
+
  protected:
   // ImageButton overrides:
   virtual SkBitmap GetImageToPaint() OVERRIDE;
 
  private:
   class EscapeEventFilter;
 
   // Where to snap to.
   enum SnapType {
     SNAP_LEFT,
@@ skipping 29 matching lines @@
   // Frame that the maximize button acts on.
   views::NonClientFrameView* frame_;
 
   // Renders the snap position.
   scoped_ptr<internal::PhantomWindowController> phantom_window_;
 
   // Is snapping enabled? Set on press so that in drag we know whether we
   // should show the snap locations.
   bool is_snap_enabled_;
 
+  // Selectively enable/disable button functionality.
+  bool is_left_right_enabled_;
+  bool is_maximize_enabled_;
+
   // Did the user drag far enough to trigger snapping?
   bool exceeded_drag_threshold_;
 
   // Location of the press.
   gfx::Point press_location_;
 
   // Current snap type.
   SnapType snap_type_;
 
   scoped_ptr<internal::SnapSizer> snap_sizer_;
 
   scoped_ptr<EscapeEventFilter> escape_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameMaximizeButton);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_FRAME_MAXIMIZE_BUTTON_H_