Add a factory and defines for native Linux surfaces.

ui/base/ozone/surface_factory_ozone.h

Index: ui/base/ozone/surface_factory_ozone.h
diff --git a/ui/base/ozone/surface_factory_ozone.h b/ui/base/ozone/surface_factory_ozone.h
new file mode 100644
index 0000000000000000000000000000000000000000..c9c33514b5c47a32351de0ec9bef43e434023b8f
--- /dev/null
+++ b/ui/base/ozone/surface_factory_ozone.h
@@ -0,0 +1,70 @@
+// 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_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
+#define UI_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
+
+#include  "ui/gfx/native_widget_types.h"
+
+namespace gfx {
+class VSyncProvider;
+} //  namespace gfx
+
+namespace ui {
+
+class SurfaceFactoryOzone {
+ public:
+  SurfaceFactoryOzone();
+  virtual ~SurfaceFactoryOzone();
+
+  // Returns the instance
+  static SurfaceFactoryOzone* GetInstance();
+
+  // Returns a display spec as in |CreateDisplayFromSpec| for the default
+  // native surface.
+  virtual const char* DefaultDisplaySpec();
+
+  // Sets the implementation delegate.
+  static void SetInstance(SurfaceFactoryOzone* impl);
+
+  // TODO(rjkroege): Add a status code if necessary.
+  // Configures the display hardware. Must be called from within the GPU
+  // process before the sandbox has been activated.
+  virtual void InitializeHardware() = 0;
+
+  // Cleans up display hardware state. Call this from within the GPU process.
+  // This method must be safe to run inside of the sandbox.
+  virtual void ShutdownHardware() = 0;
+
+  // Obtains an AcceleratedWidget backed by a native Linux framebuffer.
+  // The  returned AcceleratedWidget is an opaque token that must realized
+  // before it can be used to create a GL surface.
+  virtual gfx::AcceleratedWidget GetAcceleratedWidget() = 0;
+
+  // Realizes an AcceleratedWidget so that the returned AcceleratedWidget
+  // can be used to to create a GLSurface. This method may only be called in
+  // a process that has a valid GL context.
+  virtual gfx::AcceleratedWidget RealizeAcceleratedWidget(
+      gfx::AcceleratedWidget w) = 0;
+
+  // Sets up GL bindings for the native surface.
+  virtual bool LoadEGLGLES2Bindings() = 0;
+
+  // Tests if the given AcceleratedWidget instance can be resized. (Native
+  // hardware may only support a single fixed size.)
+  // Perhaps, this should be "attempt to resize the accelerated widget"?
+  virtual bool AcceleratedWidgetCanBeResized(gfx::AcceleratedWidget w) = 0;
+
+  // Returns a gfx::VsyncProvider for the provided AcceleratedWidget. Note
+  // that this may be called after we have entered the sandbox so if there are
+  // operations (e.g. opening a file descriptor providing vsync events) that
+  // must be done outside of the sandbox, they must have been completed
+  // in InitializeHardware. Returns NULL on error.
+  virtual gfx::VSyncProvider* GetVSyncProvider(gfx::AcceleratedWidget w) = 0;
+};
+
+}  // namespace ui
+
+
+#endif  // UI_BASE_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_