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

ui/aura/root_window.h

Index: ui/aura/root_window.h
diff --git a/ui/aura/root_window.h b/ui/aura/root_window.h
index 708fa6cefbfee9b5889dec3e30397806b0f97e5f..af90f24464dfd07856c2a09ba154ecfbfd4dab83 100644
--- a/ui/aura/root_window.h
+++ b/ui/aura/root_window.h
@@ -136,6 +136,9 @@ class AURA_EXPORT RootWindow : public ui::CompositorDelegate,
   // Draw the whole screen.
   void ScheduleFullDraw();
 
+  // Used to enable or disable the native window borders on a window.
+  void SetUseOSWindowBorders(bool use_os_borders);

[Daniel Erat, 2012/05/09 20:58:27]

Mind renaming this to something like SetUseHostWindowBorders() (to match
set_hide_host_cursor())?

+
   // Handles a mouse event. Returns true if handled.
   bool DispatchMouseEvent(MouseEvent* event);
 
@@ -153,6 +156,10 @@ class AURA_EXPORT RootWindow : public ui::CompositorDelegate,
   // 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 DispatchWindowDragMovement(int hittest, MouseEvent* event);

[Daniel Erat, 2012/05/09 20:58:27]

DispatchHostWindowDragMovement()?

+
   // Called when the host changes size.
   void OnHostResized(const gfx::Size& size_in_pixel);