Aura/ash split: Don't use X11 window borders.

ui/aura/root_window.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 UI_AURA_ROOT_WINDOW_H_
 #define UI_AURA_ROOT_WINDOW_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 118 matching lines @@
   // after SetCapture(). ReleaseCapture() implicitly removes any confines set
   // using this function. Returns true if successful.
   bool ConfineCursorToWindow();
 
   // Draws the necessary set of windows.
   void Draw();
 
   // Draw the whole screen.
   void ScheduleFullDraw();
 
+  // Used to enable or disable the native window borders on a window.
+  void SetUseHostWindowBorders(bool use_os_borders);
+
   // Handles a mouse event. Returns true if handled.
   bool DispatchMouseEvent(MouseEvent* event);
 
   // Handles a key event. Returns true if handled.
   bool DispatchKeyEvent(KeyEvent* event);
 
   // Handles a scroll event. Returns true if handled.
   bool DispatchScrollEvent(ScrollEvent* event);
 
   // Handles a touch event. Returns true if handled.
   bool DispatchTouchEvent(TouchEvent* event);
 
   // Handles a gesture event. Returns true if handled. Unlike the other
   // event-dispatching function (e.g. for touch/mouse/keyboard events), gesture
   // events are dispatched from GestureRecognizer instead of RootWindowHost.
   bool DispatchGestureEvent(GestureEvent* event);
 
+  // Handles when we're told that the operating system should move the
+  // window. Returns true if handled.
+  bool DispatchHostWindowDragMovement(int hittest, MouseEvent* event);
+
   // Called when the host changes size.
   void OnHostResized(const gfx::Size& size_in_pixel);
 
   // Invoked when |window| is being destroyed.
   void OnWindowDestroying(Window* window);
 
   // Invoked when |window|'s bounds have changed. |contained_mouse| indicates if
   // the bounds before change contained the |last_moust_location()|.
   void OnWindowBoundsChanged(Window* window, bool contained_mouse);
 
@@ skipping 237 matching lines @@
   bool draw_on_compositor_unlock_;
 
   int draw_trace_count_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindow);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_H_