Add a factory and defines for native Linux surfaces.

ui/gl/gl_surface_egl.cc

Index: ui/gl/gl_surface_egl.cc
diff --git a/ui/gl/gl_surface_egl.cc b/ui/gl/gl_surface_egl.cc
index ae22a28419c53ef447145b2dc161cb699de5010c..a087b7c4b32f3f763c80e6d81afd33cebeddb5ce 100644
--- a/ui/gl/gl_surface_egl.cc
+++ b/ui/gl/gl_surface_egl.cc
@@ -146,7 +146,8 @@ bool GLSurfaceEGL::InitializeOneOff() {
 
   initialized = true;
 
-#if defined(USE_X11) || defined(OS_ANDROID)
+#if defined(USE_X11) || defined(OS_ANDROID) \
+    || defined(USE_OZONE)
   return true;
 #else
   g_software_native_display = EGL_SOFTWARE_DISPLAY_ANGLE;
@@ -214,6 +215,10 @@ bool GLSurfaceEGL::IsCreateContextRobustnessSupported() {
   return g_egl_create_context_robustness_supported;
 }
 
+bool GLSurfaceEGL::IsSyncControlSupported() {
+  return g_egl_sync_control_supported;
+}
+
 GLSurfaceEGL::~GLSurfaceEGL() {}
 
 NativeViewGLSurfaceEGL::NativeViewGLSurfaceEGL(bool software,
@@ -272,10 +277,16 @@ bool NativeViewGLSurfaceEGL::Initialize() {
 
   if (g_egl_sync_control_supported)
     vsync_provider_.reset(new EGLSyncControlVSyncProvider(surface_));
-
   return true;
 }
 
+bool NativeViewGLSurfaceEGL::Initialize(VSyncProvider* syncProvider) {
+  bool retval = Initialize();
+  if (retval)
+      vsync_provider_.reset(syncProvider);
+  return retval;
+}
+
 void NativeViewGLSurfaceEGL::Destroy() {
   if (surface_) {
     if (!eglDestroySurface(GetDisplay(), surface_)) {