linux_aura: Bail early if we can't connect to the X11 server.

ui/gfx/x/x11_types.h

 // Copyright (c) 2013 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_GFX_X_X11_UTIL_H_
 #define UI_GFX_X_X11_UTIL_H_
 
 #include "base/basictypes.h"
 #include "ui/gfx/gfx_export.h"
 
 typedef unsigned long XID;
 typedef struct _XImage XImage;
 typedef struct _XGC *GC;
 typedef struct _XDisplay XDisplay;
 
 namespace gfx {
 
 // TODO(oshima|evan): This assume there is one display and doesn't work
 // undef multiple displays/monitor environment. Remove this and change the
 // chrome codebase to get the display from window.
 GFX_EXPORT XDisplay* GetXDisplay();
 
+// This opens a new X11 XDisplay*, taking command line arguments into account.
+GFX_EXPORT XDisplay* OpenNewXDisplay();
+
 // Return the number of bits-per-pixel for a pixmap of the given depth
 GFX_EXPORT int BitsPerPixelForPixmapDepth(XDisplay* display, int depth);
 
 // Draws ARGB data on the given pixmap using the given GC, converting to the
 // server side visual depth as needed.  Destination is assumed to be the same
 // dimensions as |data| or larger.  |data| is also assumed to be in row order
 // with each line being exactly |width| * 4 bytes long.
 GFX_EXPORT void PutARGBImage(XDisplay* display,
                              void* visual, int depth,
                              XID pixmap, void* pixmap_gc,
@@ skipping 10 matching lines @@
                              const uint8* data,
                              int data_width, int data_height,
                              int src_x, int src_y,
                              int dst_x, int dst_y,
                              int copy_width, int copy_height);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_X_X11_UTIL_H_