ozone: Allow using swiftshader with --use-gl=swiftshader.

ui/ozone/common/egl_util.h

Index: ui/ozone/common/egl_util.h
diff --git a/ui/ozone/common/egl_util.h b/ui/ozone/common/egl_util.h
index 855e7659671c6ab9334d5e8557ad439b5cde42b4..788083ff4eb1d4c4084aa08921bd95d76092852f 100644
--- a/ui/ozone/common/egl_util.h
+++ b/ui/ozone/common/egl_util.h
@@ -7,13 +7,11 @@
 
 #include <stdint.h>
 
-namespace ui {
+#include "ui/gl/gl_implementation.h"
 
-bool LoadDefaultEGLGLES2Bindings();
+namespace ui {
 
-bool LoadEGLGLES2Bindings(
-    const char* egl_library_name,
-    const char* gles_library_name);
+bool LoadDefaultEGLGLES2Bindings(gl::GLImplementation impl);
 
 void* /* EGLConfig */ ChooseEGLConfig(void* /* EGLConfig */ display,
                                       const int32_t* attributes);