ozone: Protect X11-specific code under ash/wm

ash/wm/boot_splash_screen_chromeos.cc

Index: ash/wm/boot_splash_screen_chromeos.cc
diff --git a/ash/wm/boot_splash_screen_chromeos.cc b/ash/wm/boot_splash_screen_chromeos.cc
index df5765499ef9910f53638d6486d35c6c6275767e..e69d8990b9405825a819b46bc808e43ec1ff8fb8 100644
--- a/ash/wm/boot_splash_screen_chromeos.cc
+++ b/ash/wm/boot_splash_screen_chromeos.cc
@@ -35,8 +35,13 @@ class BootSplashScreen::CopyHostContentLayerDelegate
     // TODO(derat): Instead of copying the data, use GLX_EXT_texture_from_pixmap
     // to create a zero-copy texture (when possible):
     // https://codereview.chromium.org/10543125
+#if !defined(USE_OZONE)

[varkha, 2014/04/09 23:46:52]

Should this maybe use #if defined(USE_X11) just as the code in
system_gesture_event_filter.cc?

[spang, 2014/04/10 00:12:03]

Yeah, that is probably better.

     ui::CopyAreaToCanvas(host_->GetAcceleratedWidget(),
         host_->GetBounds(), gfx::Point(), canvas);
+#else
+    // TODO(spang): Figure out what to do here.
+    NOTIMPLEMENTED();
+#endif
   }
 
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}