Add a factory and defines for native Linux surfaces.

ui/gl/gl_image_ozone.cc

Index: ui/gl/gl_image_ozone.cc
diff --git a/ui/gl/gl_image_win.cc b/ui/gl/gl_image_ozone.cc
similarity index 88%
copy from ui/gl/gl_image_win.cc
copy to ui/gl/gl_image_ozone.cc
index 7698b8471a4472d80c4d08d81dba6b8ada31f64c..1f2865ec7d3543daccc75f74ae04803e3ce73459 100644
--- a/ui/gl/gl_image_win.cc
+++ b/ui/gl/gl_image_ozone.cc
@@ -5,6 +5,7 @@
 #include "ui/gl/gl_image.h"
 
 #include "base/debug/trace_event.h"
+#include "ui/gl/gl_image_egl.h"
 #include "ui/gl/gl_image_stub.h"
 #include "ui/gl/gl_implementation.h"
 
@@ -13,8 +14,6 @@ namespace gfx {
 scoped_refptr<GLImage> GLImage::CreateGLImage(gfx::PluginWindowHandle window) {
   TRACE_EVENT0("gpu", "GLImage::CreateGLImage");
   switch (GetGLImplementation()) {
-    case kGLImplementationOSMesaGL:
-    case kGLImplementationDesktopGL:
     case kGLImplementationEGLGLES2:
       return NULL;
     case kGLImplementationMockGL:
@@ -29,8 +28,6 @@ scoped_refptr<GLImage> GLImage::CreateGLImageForGpuMemoryBuffer(
     gfx::GpuMemoryBufferHandle buffer, gfx::Size size) {
   TRACE_EVENT0("gpu", "GLImage::CreateGLImageForGpuMemoryBuffer");
   switch (GetGLImplementation()) {
-    case kGLImplementationOSMesaGL:
-    case kGLImplementationDesktopGL:
     case kGLImplementationEGLGLES2:
       return NULL;
     case kGLImplementationMockGL: