Add a factory and defines for native Linux surfaces.

ui/gfx/native_widget_types.h

 // 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.
 
 #ifndef UI_GFX_NATIVE_WIDGET_TYPES_H_
 #define UI_GFX_NATIVE_WIDGET_TYPES_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_ANDROID)
@@ skipping 232 matching lines @@
   typedef unsigned long PluginWindowHandle;
   const PluginWindowHandle kNullPluginWindow = 0;
 #elif defined(USE_AURA) && defined(OS_MACOSX)
   // Mac-Aura uses NSView-backed GLSurface.  Regular Mac does not.
   // TODO(dhollowa): Rationalize these two definitions. http://crbug.com/104551.
   typedef NSView* PluginWindowHandle;
   const PluginWindowHandle kNullPluginWindow = 0;
 #elif defined(OS_ANDROID)
   typedef uint64 PluginWindowHandle;
   const PluginWindowHandle kNullPluginWindow = 0;
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+  typedef intptr_t PluginWindowHandle;
+  const PluginWindowHandle kNullPluginWindow = 0;
 #else
   // On OS X we don't have windowed plugins.
   // We use a NULL/0 PluginWindowHandle in shared code to indicate there
   // is no window present, so mirror that behavior here.
   //
   // The GPU plugin is currently an exception to this rule. As of this
   // writing it uses some NPAPI infrastructure, and minimally we need
   // to identify the plugin instance via this window handle. When the
   // GPU plugin becomes a full-on GPU process, this typedef can be
   // returned to a bool. For now we use a type large enough to hold a
@@ skipping 45 matching lines @@
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #elif defined(OS_IOS)
 typedef UIView* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #elif defined(OS_MACOSX)
 typedef NSView* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #elif defined(OS_ANDROID)
 typedef ANativeWindow* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+typedef intptr_t AcceleratedWidget;
+const AcceleratedWidget kNullAcceleratedWidget = 0;
 #else
 #error unknown platform
 #endif
 
 typedef void* GpuMemoryBufferHandle;
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_WIDGET_TYPES_H_