make menus, bubbles, etc. top level windows on aura

ui/aura/root_window_host_linux.cc

 // 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.
 
 #include "ui/aura/root_window_host_linux.h"
 
 #include <strings.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/Xfixes.h>
 #include <X11/extensions/XInput2.h>
@@ skipping 847 matching lines @@
   // 1. delegate_ pointing to RootWindow - available after SetDelegate.
   // 2. RootWindow's kDisplayIdKey property set - available by the time
   //    RootWindow::Init is called.
   //    (set in DisplayManager::CreateRootWindowForDisplay)
   // Ready when NotifyRootWindowInitialized is called from RootWindow::Init.
   if (!delegate_ || root_window != GetRootWindow())
     return;
   UpdateIsInternalDisplay();
 }
 
+void RootWindowHostLinux::SetHostWindowExpansion(const gfx::Rect& extra) {
+}

[sky, 2013/03/14 20:06:37]

NOTIMPLEMENTED?

[scottmg, 2013/03/14 22:51:53]

Done.

+
 bool RootWindowHostLinux::DispatchEventForRootWindow(
     const base::NativeEvent& event) {
   switch (event->type) {
     case ConfigureNotify:
       DCHECK_EQ(x_root_window_, event->xconfigure.event);
       x_root_bounds_.SetRect(event->xconfigure.x, event->xconfigure.y,
           event->xconfigure.width, event->xconfigure.height);
       break;
 
     case GenericEvent:
@@ skipping 167 matching lines @@
   return new RootWindowHostLinux(bounds);
 }
 
 // static
 gfx::Size RootWindowHost::GetNativeScreenSize() {
   ::Display* xdisplay = base::MessagePumpAuraX11::GetDefaultXDisplay();
   return gfx::Size(DisplayWidth(xdisplay, 0), DisplayHeight(xdisplay, 0));
 }
 
 }  // namespace aura