Fix two crash and potential leak&crash

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.h"
 
 #include <X11/cursorfont.h>
 #include <X11/Xlib.h>
 
 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
@@ skipping 409 matching lines @@
       handled = root_window_->DispatchKeyEvent(&keyup_event);
       break;
     }
     case ButtonPress:
     case ButtonRelease: {
       MouseEvent mouseev(xev);
       handled = root_window_->DispatchMouseEvent(&mouseev);
       break;
     }
     case FocusOut:
+      /*

[sky, 2012/02/15 00:02:04]

?

[oshima, 2012/02/15 00:18:00]

I thought i reverted this file. Sorry about that. Reverted.

       if (xev->xfocus.mode != NotifyGrab)
         root_window_->SetCapture(NULL);
+      */
       break;
     case ConfigureNotify: {
       if (xev->xconfigure.window == x_root_window_) {
         root_window_->OnNativeScreenResized(
             gfx::Size(xev->xconfigure.width, xev->xconfigure.height));
         handled = true;
         break;
       }
 
       DCHECK_EQ(xwindow_, xev->xconfigure.window);
@@ skipping 280 matching lines @@
   return new RootWindowHostLinux(bounds);
 }
 
 // static
 gfx::Size RootWindowHost::GetNativeScreenSize() {
   ::Display* xdisplay = base::MessagePumpX::GetDefaultXDisplay();
   return gfx::Size(DisplayWidth(xdisplay, 0), DisplayHeight(xdisplay, 0));
 }
 
 }  // namespace aura